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.chat-input-field::placeholder{font-style:normal}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .send-btn .material-symbols-outlined{font-size:1.25rem}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .send-btn:hover:not(:disabled){color:var(--send-btn-color);filter:brightness(1.05)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .send-btn:disabled{opacity:.5}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .settings-view,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .login-view,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .cards-tab{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;font-size:.9rem}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-panel,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-panel--overlay{padding:var(--space-0)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-header h2{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;font-size:1rem}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-msg--own .explore-msg-author{text-align:left}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-msg.assistant .explore-msg-author{color:var(--accent)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);font-size:.9rem}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-pronunciation-word:before{display:none}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .pronunciation-text--guide .pronunciation-text__content{font-style:normal}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:0;color:var(--accent)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .settings-section h2,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .settings-view h1,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .login-card h1{font-family:var(--font-body);letter-spacing:.02em;text-transform:none}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .profile h2{text-transform:var(--person-name-transform)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .btn-primary,:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .btn-secondary{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);text-decoration:none}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .btn-primary{background:var(--accent);padding:var(--space-sm) var(--space-lg)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .btn-secondary:hover:not(:disabled){color:var(--button-color)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .icon-btn{border-radius:var(--button-radius)}:is([data-theme=whatsapp],[data-theme=whatsapp-dark]) .send-btn{border-radius:var(--send-btn-radius)}[data-theme=whatsapp-dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#0b141a;--paper-warm:#202c33;--paper-deep:#2a3942;--ink:#e9edef;--ink-soft:#d1d7db;--ink-muted:#8696a0;--line:#222d34;--line-dark:#2a3942;--accent:#21c063;--accent-hover:#28d46f;--correction:#21c063;--danger:#f15c6d;--person-name-transform:capitalize;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:none;--message-inline-gap:var(--space-xs);--cards-draft-background:var(--paper-warm);--surface-chrome:#202c33;--surface-card:#202c33;--message-own-background:#144d37;--message-other-background:#202c33;--message-bubble-shadow:0 1px .5px #00000040;--message-bubble-radius:7.5px;--message-bubble-radius-own:7.5px 7.5px 0 7.5px;--message-bubble-radius-other:7.5px 7.5px 7.5px 0;--message-bubble-max-width:75%;--message-bubble-padding:.45rem .65rem .35rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:var(--message-bubble-radius-other);--explore-msg-shadow:var(--message-bubble-shadow);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:var(--message-bubble-radius-other);--explore-msg-assistant-shadow:var(--message-bubble-shadow);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:var(--message-bubble-radius-own);--explore-msg-own-shadow:var(--message-bubble-shadow);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-2xs);--send-btn-hover-color:#fff;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-deep);--chat-input-field-radius:1.5rem;--chat-input-field-border:none;--chat-input-border-top:none;--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:15px;--input-padding-y:0;--send-btn-background:#21c063;--send-btn-color:#fff;--send-btn-radius:50%;--send-btn-size:40px;--button-radius:9999px;--button-margin-top:var(--space-3xl);--button-color:#111b21;--scrollbar-track:var(--paper);--scrollbar-thumb:var(--line-dark);--scrollbar-thumb-hover:var(--ink-muted);--scrollbar-button:var(--paper);--font-display:"Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--font-body:"Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;--overlay-scrim:#0000008c;--overlay-modal:#00000073;--shadow-drawer:-8px 0 32px #00000059;--shadow-panel:-4px 0 24px #00000040;--surface-shine:none;--theme-color:#111b21;--logo-filter:brightness(0) invert(1)}[data-theme=neobrutalism]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fff9db;--paper-warm:#fff;--paper-deep:#fff;--ink:#000;--ink-soft:#1a1a1a;--ink-muted:#333;--line:#000;--line-dark:#000;--accent:#000;--accent-hover:#1a1a1a;--accent-surface:#bfff00;--accent-surface-hover:#a8e600;--correction:#065f46;--danger:#c62828;--neo-border:3px solid #000;--neo-shadow:4px 4px 0 #000;--neo-shadow-sm:2px 2px 0 #000;--person-name-transform:uppercase;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:var(--neo-border);--message-inline-gap:var(--space-xs);--cards-draft-background:var(--paper-warm);--surface-chrome:#fff;--surface-card:#fff;--message-own-background:var(--accent-surface);--message-other-background:#fff;--message-bubble-shadow:var(--neo-shadow);--message-bubble-radius:0;--message-bubble-radius-own:0;--message-bubble-radius-other:0;--message-bubble-max-width:75%;--message-bubble-padding:.5rem .65rem .4rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:0;--explore-msg-shadow:var(--neo-shadow);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:0;--explore-msg-assistant-shadow:var(--neo-shadow);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:0;--explore-msg-own-shadow:var(--neo-shadow);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#000;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-warm);--chat-input-field-radius:0;--chat-input-field-border:var(--neo-border);--chat-input-border-top:var(--neo-border);--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:15px;--input-padding-y:0;--send-btn-background:#ff90e8;--send-btn-color:#000;--send-btn-radius:0;--send-btn-size:40px;--button-radius:0;--button-margin-top:var(--space-3xl);--button-color:#000;--scrollbar-track:var(--paper);--scrollbar-thumb:#000;--scrollbar-thumb-hover:#333;--scrollbar-button:var(--paper);--font-display:system-ui, -apple-system, "Segoe UI", sans-serif;--font-body:system-ui, -apple-system, "Segoe UI", sans-serif;--overlay-scrim:#00000080;--overlay-modal:#0006;--shadow-drawer:-8px 0 0 #000;--shadow-panel:-4px 0 0 #000;--surface-shine:none;--theme-color:#fff9db;--logo-filter:none}[data-theme=neobrutalism] .nav-rule{display:none}[data-theme=neobrutalism] .app-nav{border-bottom:var(--neo-border);box-shadow:var(--neo-shadow-sm)}[data-theme=neobrutalism] .bottom-nav{border-top:var(--neo-border);box-shadow:0 -2px #000}[data-theme=neobrutalism] .bottom-nav-item.active,[data-theme=neobrutalism] .bottom-nav-item:hover{color:var(--ink);font-weight:700}[data-theme=neobrutalism] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=neobrutalism] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=neobrutalism] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=neobrutalism] .message-bubble,[data-theme=neobrutalism] .explore-msg{border:var(--neo-border)}[data-theme=neobrutalism] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.04em;text-transform:var(--person-name-transform);color:var(--ink);font-weight:800}[data-theme=neobrutalism] .message-header{margin-bottom:var(--space-2xs)}[data-theme=neobrutalism] .message-item--own .message-header{display:none}[data-theme=neobrutalism] .message-original{margin-bottom:var(--space-0);color:var(--ink);font-size:.9rem;font-style:normal;font-weight:500}[data-theme=neobrutalism] .message-original:before,[data-theme=neobrutalism] .message-original:after{content:none}[data-theme=neobrutalism] .message-correction,[data-theme=neobrutalism] .message-translation{text-align:left;font-size:.85rem;font-style:normal;font-weight:600}[data-theme=neobrutalism] .message-item--own .message-correction,[data-theme=neobrutalism] .message-item--own .message-translation{text-align:left}[data-theme=neobrutalism] .message-correction:before,[data-theme=neobrutalism] .message-translation:before{display:none}[data-theme=neobrutalism] .message-status{font-size:.85rem;font-style:normal;font-weight:600}[data-theme=neobrutalism] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=neobrutalism] .message-time--inline{color:var(--ink-muted);letter-spacing:0;text-transform:none;margin-top:var(--space-2xs);flex-shrink:0;font-size:.68rem;font-style:normal;font-weight:700;line-height:1}[data-theme=neobrutalism] .message-actions{flex-wrap:wrap;width:auto}[data-theme=neobrutalism] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--ink);background:#fff;border:2px solid #000;border-radius:0;font-size:1rem;box-shadow:2px 2px #000}[data-theme=neobrutalism] .message-actions .icon-btn:hover:not(:disabled){color:var(--ink);transform:translate(1px,1px);box-shadow:1px 1px #000}[data-theme=neobrutalism] .pronunciation-text--inline{font-size:.78rem;font-style:normal;font-weight:600}[data-theme=neobrutalism] .chat-messages{gap:var(--space-sm)}[data-theme=neobrutalism] .chat-input .app-input.chat-input-field,[data-theme=neobrutalism] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--neo-shadow-sm)}[data-theme=neobrutalism] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height);font-weight:500}[data-theme=neobrutalism] .chat-input-field::placeholder{font-style:normal}[data-theme=neobrutalism] .send-btn{border:var(--neo-border);box-shadow:var(--neo-shadow-sm);font-weight:700}[data-theme=neobrutalism] .send-btn .material-symbols-outlined{font-variation-settings:"FILL" 1, "wght" 700, "GRAD" 0, "opsz" 24;font-size:1.25rem}[data-theme=neobrutalism] .send-btn:hover:not(:disabled){color:var(--send-btn-color);transform:translate(2px,2px);box-shadow:0 0 #000}[data-theme=neobrutalism] .send-btn:disabled{opacity:.5}[data-theme=neobrutalism] .settings-view,[data-theme=neobrutalism] .login-view,[data-theme=neobrutalism] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=neobrutalism] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:var(--neo-border)}[data-theme=neobrutalism] .cards-tab{font-family:var(--font-body);letter-spacing:.02em;text-transform:uppercase;font-size:.78rem;font-weight:700}[data-theme=neobrutalism] .cards-tab--active{background:var(--accent-surface);color:var(--ink)}[data-theme=neobrutalism] .explore-panel,[data-theme=neobrutalism] .explore-panel--overlay{padding:var(--space-0)}[data-theme=neobrutalism] .explore-header{border-bottom:var(--neo-border);box-shadow:var(--neo-shadow-sm)}[data-theme=neobrutalism] .explore-header h2{font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;font-size:.9rem;font-weight:800}[data-theme=neobrutalism] .explore-context{border-bottom:var(--neo-border)}[data-theme=neobrutalism] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=neobrutalism] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=neobrutalism] .explore-msg.assistant .explore-msg-author{color:var(--ink)}[data-theme=neobrutalism] .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);font-size:.9rem;font-weight:700}[data-theme=neobrutalism] .explore-pronunciation-word:before{display:none}[data-theme=neobrutalism] .pronunciation-text--guide .pronunciation-text__content{font-style:normal;font-weight:600}[data-theme=neobrutalism] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=neobrutalism] .cards-draft-preview{border-top:var(--neo-border);border-bottom:var(--neo-border);box-shadow:var(--neo-shadow-sm)}[data-theme=neobrutalism] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.04em;color:var(--ink);font-weight:800}[data-theme=neobrutalism] .settings-section h2,[data-theme=neobrutalism] .settings-view h1,[data-theme=neobrutalism] .login-card h1{font-family:var(--font-body);letter-spacing:.02em;text-transform:uppercase;font-weight:800}[data-theme=neobrutalism] .profile h2{text-transform:var(--person-name-transform);font-weight:800}[data-theme=neobrutalism] .btn-primary,[data-theme=neobrutalism] .btn-secondary{font-family:var(--font-body);letter-spacing:.02em;text-transform:uppercase;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);border:var(--neo-border);box-shadow:var(--neo-shadow);font-weight:800;text-decoration:none}[data-theme=neobrutalism] .btn-primary{background:var(--accent-surface);padding:var(--space-sm) var(--space-lg)}[data-theme=neobrutalism] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-surface-hover);box-shadow:var(--neo-shadow-sm);transform:translate(2px,2px)}[data-theme=neobrutalism] .btn-secondary{background:#fff}[data-theme=neobrutalism] .btn-secondary:hover:not(:disabled){color:var(--button-color);box-shadow:var(--neo-shadow-sm);transform:translate(2px,2px)}[data-theme=neobrutalism] .app-input{border:var(--neo-border);padding:var(--space-sm) var(--space-md);background:var(--paper-warm);box-shadow:var(--neo-shadow-sm);border-radius:0;font-weight:500}[data-theme=neobrutalism] .app-input:focus{outline:2px solid var(--accent-surface);outline-offset:2px;border-color:#000}[data-theme=neobrutalism] .app-input::placeholder{font-style:normal}[data-theme=neobrutalism] .card-flip,[data-theme=neobrutalism] .cards-modal{border:var(--neo-border);box-shadow:var(--neo-shadow)}[data-theme=neobrutalism] .theme-option{border:var(--neo-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-warm);box-shadow:var(--neo-shadow-sm);border-radius:0}[data-theme=neobrutalism] .theme-option--active{background:var(--accent-surface);color:var(--ink);box-shadow:var(--neo-shadow)}[data-theme=neobrutalism] .theme-option-swatch{border:2px solid #000;border-radius:0}[data-theme=neobrutalism] .icon-btn{border-radius:0}[data-theme=neobrutalism] .cards-word-item{border-bottom:2px solid #000}[data-theme=neobrutalism] .nav-settings-link:hover,[data-theme=neobrutalism] .nav-settings-link.active{color:var(--ink);font-weight:700}[data-theme=neobrutalism] .message-correction{color:var(--correction)}[data-theme=neobrutalism] .message-item--own .message-translation{color:var(--ink-soft)}[data-theme=neobrutalism] .cards-draft-preview .pronunciation-text{color:var(--correction)}[data-theme=memphis]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fff5fb;--paper-warm:#fff;--paper-deep:#f3ecff;--ink:#2d1b4e;--ink-soft:#4a3268;--ink-muted:#7a6294;--line:#e8d4f4;--line-dark:#c9a8e8;--accent:#b967ff;--accent-hover:#a855f7;--correction:#0b6e4f;--danger:#ff4757;--memphis-border:2px solid #2d1b4e;--memphis-shadow:3px 3px 0 #b967ff;--memphis-shadow-cyan:3px 3px 0 #01cdfe;--memphis-shadow-pink:3px 3px 0 #ff71ce;--person-name-transform:capitalize;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:2px dashed var(--accent);--message-inline-gap:var(--space-xs);--cards-draft-background:#fffb96;--surface-chrome:#fff;--surface-card:#fff;--message-own-background:#fffb96;--message-other-background:#fff;--message-bubble-shadow:var(--memphis-shadow-cyan);--message-bubble-radius:1rem;--message-bubble-radius-own:1rem 1rem 0 1rem;--message-bubble-radius-other:1rem 1rem 1rem 0;--message-bubble-max-width:75%;--message-bubble-padding:.5rem .7rem .4rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:var(--message-bubble-radius-other);--explore-msg-shadow:var(--memphis-shadow-cyan);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:var(--message-bubble-radius-other);--explore-msg-assistant-shadow:var(--memphis-shadow-cyan);--explore-msg-own-background:#ff71ce;--explore-msg-own-radius:var(--message-bubble-radius-own);--explore-msg-own-shadow:var(--memphis-shadow-pink);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#fff;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-deep);--chat-input-field-radius:9999px;--chat-input-field-border:var(--memphis-border);--chat-input-border-top:none;--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:15px;--input-padding-y:0;--send-btn-background:#b967ff;--send-btn-color:#fff;--send-btn-radius:50%;--send-btn-size:40px;--button-radius:9999px;--button-margin-top:var(--space-3xl);--button-color:#fff;--scrollbar-track:var(--paper);--scrollbar-thumb:#b967ff;--scrollbar-thumb-hover:#a855f7;--scrollbar-button:var(--paper);--font-display:system-ui, -apple-system, "Segoe UI", sans-serif;--font-body:system-ui, -apple-system, "Segoe UI", sans-serif;--overlay-scrim:#2d1b4e73;--overlay-modal:#2d1b4e59;--shadow-drawer:-6px 0 0 #01cdfe, -10px 0 0 #ff71ce;--shadow-panel:-4px 0 0 #b967ff;--surface-shine:radial-gradient(circle at 12% 18%, #ff71ce2e 0%, transparent 22%), radial-gradient(circle at 88% 82%, #01cdfe2e 0%, transparent 22%), radial-gradient(circle at 72% 24%, #b967ff24 0%, transparent 18%), radial-gradient(circle at 24% 76%, #fffb9638 0%, transparent 16%), radial-gradient(#2d1b4e .8px, transparent .8px);--theme-color:#fff5fb;--logo-filter:none}[data-theme=memphis] .nav-rule{display:none}[data-theme=memphis] .app-nav{border-bottom:var(--memphis-border);box-shadow:var(--memphis-shadow)}[data-theme=memphis] .bottom-nav{border-top:var(--memphis-border);box-shadow:0 -3px #01cdfe}[data-theme=memphis] .bottom-nav-item.active{color:var(--accent)}[data-theme=memphis] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=memphis] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=memphis] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=memphis] .message-item--own .message-bubble{box-shadow:var(--memphis-shadow-pink)}[data-theme=memphis] .message-bubble,[data-theme=memphis] .explore-msg{border:var(--memphis-border)}[data-theme=memphis] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.02em;text-transform:var(--person-name-transform);color:var(--accent);font-weight:700}[data-theme=memphis] .message-header{margin-bottom:var(--space-2xs)}[data-theme=memphis] .message-item--own .message-header{display:none}[data-theme=memphis] .message-original{margin-bottom:var(--space-0);color:var(--ink);font-size:.9rem;font-style:normal;font-weight:500}[data-theme=memphis] .message-original:before,[data-theme=memphis] .message-original:after{content:none}[data-theme=memphis] .message-correction,[data-theme=memphis] .message-translation{text-align:left;color:var(--correction);font-size:.85rem;font-style:normal;font-weight:700}[data-theme=memphis] .message-item--own .message-correction,[data-theme=memphis] .message-item--own .message-translation{text-align:left}[data-theme=memphis] .message-correction:before,[data-theme=memphis] .message-translation:before{display:none}[data-theme=memphis] .message-status{font-size:.85rem;font-style:normal}[data-theme=memphis] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=memphis] .message-time--inline{color:var(--ink-muted);letter-spacing:0;text-transform:none;margin-top:var(--space-2xs);flex-shrink:0;font-size:.68rem;font-style:normal;line-height:1}[data-theme=memphis] .message-actions{flex-wrap:wrap;width:auto}[data-theme=memphis] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--ink);background:#fff;border:2px solid #2d1b4e;border-radius:50%;font-size:1rem;box-shadow:2px 2px #01cdfe}[data-theme=memphis] .message-actions .icon-btn:hover:not(:disabled){color:var(--accent)}[data-theme=memphis] .pronunciation-text--inline{font-size:.78rem;font-style:normal}[data-theme=memphis] .chat-messages{gap:var(--space-sm)}[data-theme=memphis] .chat-input .app-input.chat-input-field,[data-theme=memphis] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--memphis-shadow-cyan)}[data-theme=memphis] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height)}[data-theme=memphis] .chat-input-field::placeholder{font-style:normal}[data-theme=memphis] .send-btn{border:var(--memphis-border);box-shadow:var(--memphis-shadow)}[data-theme=memphis] .send-btn .material-symbols-outlined{font-size:1.25rem}[data-theme=memphis] .send-btn:hover:not(:disabled){color:var(--send-btn-color);filter:brightness(1.08)}[data-theme=memphis] .send-btn:disabled{opacity:.5}[data-theme=memphis] .settings-view,[data-theme=memphis] .login-view,[data-theme=memphis] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=memphis] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:var(--memphis-border)}[data-theme=memphis] .cards-tab{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;font-size:.9rem;font-weight:700}[data-theme=memphis] .cards-tab--active{color:var(--ink);background:#ff71ce}[data-theme=memphis] .explore-panel,[data-theme=memphis] .explore-panel--overlay{padding:var(--space-0)}[data-theme=memphis] .explore-header{border-bottom:var(--memphis-border);box-shadow:var(--memphis-shadow)}[data-theme=memphis] .explore-header h2{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;color:var(--accent);font-size:1rem;font-weight:800}[data-theme=memphis] .explore-context{border-bottom:var(--memphis-border);background:#fffb9659}[data-theme=memphis] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=memphis] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=memphis] .explore-msg.assistant .explore-msg-author{color:#01cdfe}[data-theme=memphis] .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);color:var(--accent);font-size:.9rem;font-weight:700}[data-theme=memphis] .explore-pronunciation-word:before{display:none}[data-theme=memphis] .pronunciation-text--guide .pronunciation-text__content{font-style:normal}[data-theme=memphis] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=memphis] .cards-draft-preview{border-top:var(--memphis-border);box-shadow:inset 0 3px #01cdfe}[data-theme=memphis] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.02em;color:var(--accent);font-weight:700}[data-theme=memphis] .settings-section h2,[data-theme=memphis] .settings-view h1,[data-theme=memphis] .login-card h1{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;color:var(--accent);font-weight:800}[data-theme=memphis] .profile h2{text-transform:var(--person-name-transform);color:var(--ink)}[data-theme=memphis] .btn-primary,[data-theme=memphis] .btn-secondary{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);border:var(--memphis-border);box-shadow:var(--memphis-shadow);font-weight:700;text-decoration:none}[data-theme=memphis] .btn-primary{background:var(--accent);padding:var(--space-sm) var(--space-lg)}[data-theme=memphis] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover);filter:brightness(1.05)}[data-theme=memphis] .btn-secondary{color:var(--ink);box-shadow:var(--memphis-shadow-cyan);background:#01cdfe}[data-theme=memphis] .btn-secondary:hover:not(:disabled){color:var(--ink)}[data-theme=memphis] .app-input{border:var(--memphis-border);padding:var(--space-sm) var(--space-md);background:var(--paper-warm);box-shadow:var(--memphis-shadow-cyan);border-radius:.75rem}[data-theme=memphis] .app-input:focus{border-color:var(--accent);outline:none}[data-theme=memphis] .app-input::placeholder{font-style:normal}[data-theme=memphis] .card-flip{border:var(--memphis-border);box-shadow:var(--memphis-shadow);border-radius:1rem}[data-theme=memphis] .cards-modal{border:var(--memphis-border);box-shadow:var(--memphis-shadow-pink);border-radius:1rem}[data-theme=memphis] .theme-option{border:var(--memphis-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-warm);box-shadow:var(--memphis-shadow-cyan);border-radius:.75rem}[data-theme=memphis] .theme-option--active{box-shadow:var(--memphis-shadow-pink);background:#fffb96}[data-theme=memphis] .theme-option-swatch{border:2px solid #2d1b4e;border-radius:50%}[data-theme=memphis] .icon-btn{border-radius:50%}[data-theme=memphis] .cards-word-item{border-bottom:2px dashed var(--line-dark)}[data-theme=memphis] .nav-settings-link:hover,[data-theme=memphis] .nav-settings-link.active{color:var(--accent)}[data-theme=memphis] body,[data-theme=memphis] .app{background-size:100% 100%,100% 100%,100% 100%,100% 100%,20px 20px}[data-theme=cartoon]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#dceefb;--paper-warm:#fff;--paper-deep:#fff;--ink:#1a1a2e;--ink-soft:#3d3d5c;--ink-muted:#5c5c7a;--line:#b8d4ea;--line-dark:#1a1a2e;--accent:#ff6b35;--accent-hover:#e85a28;--correction:#1b5e20;--danger:#e53935;--cartoon-border:3px solid #1a1a2e;--cartoon-shadow:0 4px 0 #1a1a2e;--cartoon-shadow-sm:0 2px 0 #1a1a2e;--person-name-transform:capitalize;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:var(--cartoon-border);--message-inline-gap:var(--space-xs);--cards-draft-background:#fff9c4;--surface-chrome:#fff;--surface-card:#fff;--message-own-background:#fff176;--message-other-background:#fff;--message-bubble-shadow:var(--cartoon-shadow-sm);--message-bubble-radius:1.25rem;--message-bubble-radius-own:1.25rem 1.25rem .25rem 1.25rem;--message-bubble-radius-other:1.25rem 1.25rem 1.25rem .25rem;--message-bubble-max-width:75%;--message-bubble-padding:.55rem .75rem .45rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:var(--message-bubble-radius-other);--explore-msg-shadow:var(--cartoon-shadow-sm);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:var(--message-bubble-radius-other);--explore-msg-assistant-shadow:var(--cartoon-shadow-sm);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:var(--message-bubble-radius-own);--explore-msg-own-shadow:var(--cartoon-shadow-sm);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#fff;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-warm);--chat-input-field-radius:9999px;--chat-input-field-border:var(--cartoon-border);--chat-input-border-top:var(--cartoon-border);--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:15px;--input-padding-y:0;--send-btn-background:#ff6b35;--send-btn-color:#fff;--send-btn-radius:50%;--send-btn-size:44px;--button-radius:9999px;--button-margin-top:var(--space-3xl);--button-color:#fff;--scrollbar-track:var(--paper);--scrollbar-thumb:#1a1a2e;--scrollbar-thumb-hover:#ff6b35;--scrollbar-button:var(--paper);--font-display:"Nunito", system-ui, -apple-system, sans-serif;--font-body:"Nunito", system-ui, -apple-system, sans-serif;--overlay-scrim:#1a1a2e73;--overlay-modal:#1a1a2e59;--shadow-drawer:-6px 0 0 #1a1a2e;--shadow-panel:-4px 0 0 #1a1a2e;--surface-shine:radial-gradient(ellipse 70% 45% at 15% 8%, #ffffffbf 0%, transparent 55%), radial-gradient(ellipse 55% 35% at 88% 12%, #ffffff8c 0%, transparent 50%), radial-gradient(ellipse 40% 30% at 60% 85%, #fff6 0%, transparent 45%);--theme-color:#dceefb;--logo-filter:none}[data-theme=cartoon] .nav-rule{display:none}[data-theme=cartoon] .app-nav{border-bottom:var(--cartoon-border);box-shadow:var(--cartoon-shadow-sm)}[data-theme=cartoon] .bottom-nav{border-top:var(--cartoon-border);box-shadow:0 -2px #1a1a2e}[data-theme=cartoon] .bottom-nav-item.active{color:var(--accent)}[data-theme=cartoon] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=cartoon] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=cartoon] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=cartoon] .message-bubble,[data-theme=cartoon] .explore-msg{border:var(--cartoon-border)}[data-theme=cartoon] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.02em;text-transform:var(--person-name-transform);color:var(--accent);font-weight:800}[data-theme=cartoon] .message-header{margin-bottom:var(--space-2xs)}[data-theme=cartoon] .message-item--own .message-header{display:none}[data-theme=cartoon] .message-original{margin-bottom:var(--space-0);color:var(--ink);font-size:.92rem;font-style:normal;font-weight:600}[data-theme=cartoon] .message-original:before,[data-theme=cartoon] .message-original:after{content:none}[data-theme=cartoon] .message-correction,[data-theme=cartoon] .message-translation{text-align:left;color:var(--correction);font-size:.85rem;font-style:normal;font-weight:700}[data-theme=cartoon] .message-item--own .message-correction,[data-theme=cartoon] .message-item--own .message-translation{text-align:left}[data-theme=cartoon] .message-correction:before,[data-theme=cartoon] .message-translation:before{display:none}[data-theme=cartoon] .message-status{font-size:.85rem;font-style:normal;font-weight:600}[data-theme=cartoon] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=cartoon] .message-time--inline{color:var(--ink-muted);letter-spacing:0;text-transform:none;margin-top:var(--space-2xs);flex-shrink:0;font-size:.68rem;font-style:normal;font-weight:700;line-height:1}[data-theme=cartoon] .message-actions{flex-wrap:wrap;width:auto}[data-theme=cartoon] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--ink);border:var(--cartoon-border);box-shadow:var(--cartoon-shadow-sm);background:#fff;border-radius:50%;font-size:1rem}[data-theme=cartoon] .message-actions .icon-btn:hover:not(:disabled){color:var(--accent)}[data-theme=cartoon] .pronunciation-text--inline{font-size:.78rem;font-style:normal;font-weight:600}[data-theme=cartoon] .chat-messages{gap:var(--space-sm)}[data-theme=cartoon] .chat-input .app-input.chat-input-field,[data-theme=cartoon] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--cartoon-shadow-sm)}[data-theme=cartoon] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height);font-weight:600}[data-theme=cartoon] .chat-input-field::placeholder{font-style:normal}[data-theme=cartoon] .send-btn{border:var(--cartoon-border);box-shadow:var(--cartoon-shadow-sm)}[data-theme=cartoon] .send-btn .material-symbols-outlined{font-variation-settings:"FILL" 1, "wght" 700, "GRAD" 0, "opsz" 24;font-size:1.3rem}[data-theme=cartoon] .send-btn:hover:not(:disabled){color:var(--send-btn-color);transform:translateY(1px);box-shadow:0 1px #1a1a2e}[data-theme=cartoon] .send-btn:disabled{opacity:.5}[data-theme=cartoon] .settings-view,[data-theme=cartoon] .login-view,[data-theme=cartoon] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=cartoon] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:var(--cartoon-border)}[data-theme=cartoon] .cards-tab{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;font-size:.9rem;font-weight:800}[data-theme=cartoon] .cards-tab--active{color:var(--ink);background:#fff176}[data-theme=cartoon] .explore-panel,[data-theme=cartoon] .explore-panel--overlay{padding:var(--space-0)}[data-theme=cartoon] .explore-header{border-bottom:var(--cartoon-border);box-shadow:var(--cartoon-shadow-sm)}[data-theme=cartoon] .explore-header h2{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;color:var(--accent);font-size:1rem;font-weight:800}[data-theme=cartoon] .explore-context{border-bottom:var(--cartoon-border);background:#fff9c480}[data-theme=cartoon] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=cartoon] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=cartoon] .explore-msg.assistant .explore-msg-author{color:#42a5f5}[data-theme=cartoon] .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);color:var(--accent);font-size:.9rem;font-weight:800}[data-theme=cartoon] .explore-pronunciation-word:before{display:none}[data-theme=cartoon] .pronunciation-text--guide .pronunciation-text__content{font-style:normal;font-weight:600}[data-theme=cartoon] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=cartoon] .cards-draft-preview{border-top:var(--cartoon-border)}[data-theme=cartoon] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.02em;color:var(--accent);font-weight:800}[data-theme=cartoon] .settings-section h2,[data-theme=cartoon] .settings-view h1,[data-theme=cartoon] .login-card h1{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;color:var(--accent);font-weight:800}[data-theme=cartoon] .profile h2{text-transform:var(--person-name-transform);font-weight:800}[data-theme=cartoon] .btn-primary,[data-theme=cartoon] .btn-secondary{font-family:var(--font-body);letter-spacing:.02em;text-transform:none;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);border:var(--cartoon-border);box-shadow:var(--cartoon-shadow);font-weight:800;text-decoration:none}[data-theme=cartoon] .btn-primary{background:var(--accent);padding:var(--space-sm) var(--space-lg)}[data-theme=cartoon] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover);box-shadow:var(--cartoon-shadow-sm);transform:translateY(2px)}[data-theme=cartoon] .btn-secondary{color:#fff;box-shadow:var(--cartoon-shadow);background:#42a5f5}[data-theme=cartoon] .btn-secondary:hover:not(:disabled){color:#fff;box-shadow:var(--cartoon-shadow-sm);transform:translateY(2px)}[data-theme=cartoon] .app-input{border:var(--cartoon-border);padding:var(--space-sm) var(--space-md);background:var(--paper-warm);box-shadow:var(--cartoon-shadow-sm);border-radius:.75rem;font-weight:600}[data-theme=cartoon] .app-input:focus{border-color:var(--accent);outline:none}[data-theme=cartoon] .app-input::placeholder{font-style:normal}[data-theme=cartoon] .card-flip,[data-theme=cartoon] .cards-modal{border:var(--cartoon-border);box-shadow:var(--cartoon-shadow);border-radius:1.25rem}[data-theme=cartoon] .theme-option{border:var(--cartoon-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-warm);box-shadow:var(--cartoon-shadow-sm);border-radius:1rem}[data-theme=cartoon] .theme-option--active{box-shadow:var(--cartoon-shadow);background:#fff176}[data-theme=cartoon] .theme-option-swatch{border:2px solid #1a1a2e;border-radius:50%}[data-theme=cartoon] .icon-btn{border-radius:50%}[data-theme=cartoon] .cards-word-item{border-bottom:2px solid var(--line)}[data-theme=cartoon] .nav-settings-link:hover,[data-theme=cartoon] .nav-settings-link.active{color:var(--accent)}[data-theme=pixel]{--lightningcss-light:initial;--lightningcss-dark: ;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#5fcde4;--paper-warm:#fff1e8;--paper-deep:#c2c3c7;--ink:#000;--ink-soft:#1a1a1a;--ink-muted:#5f574f;--line:#83769c;--line-dark:#000;--accent:#ff004d;--accent-hover:#d9003f;--correction:#008751;--danger:#ff004d;--pixel-border:4px solid #000;--pixel-shadow:4px 4px 0 #000;--pixel-shadow-sm:2px 2px 0 #000;--person-name-transform:uppercase;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:var(--pixel-border);--message-inline-gap:var(--space-xs);--cards-draft-background:#ffec27;--surface-chrome:#fff1e8;--surface-card:#fff1e8;--message-own-background:#ffec27;--message-other-background:#fff1e8;--message-bubble-shadow:var(--pixel-shadow-sm);--message-bubble-radius:0;--message-bubble-radius-own:0;--message-bubble-radius-other:0;--message-bubble-max-width:75%;--message-bubble-padding:.5rem .65rem .4rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:0;--explore-msg-shadow:var(--pixel-shadow-sm);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:0;--explore-msg-assistant-shadow:var(--pixel-shadow-sm);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:0;--explore-msg-own-shadow:var(--pixel-shadow-sm);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#fff;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-warm);--chat-input-field-radius:0;--chat-input-field-border:var(--pixel-border);--chat-input-border-top:var(--pixel-border);--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:8px;--chat-input-field-padding-x:.75rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:14px;--input-padding-y:0;--send-btn-background:#29adff;--send-btn-color:#fff;--send-btn-radius:0;--send-btn-size:40px;--button-radius:0;--button-margin-top:var(--space-3xl);--button-color:#fff;--scrollbar-track:var(--paper);--scrollbar-thumb:#000;--scrollbar-thumb-hover:#ff004d;--scrollbar-button:var(--paper);--font-display:"Pixelify Sans", monospace;--font-body:"Pixelify Sans", monospace;--overlay-scrim:#0000008c;--overlay-modal:#00000073;--shadow-drawer:-8px 0 0 #000;--shadow-panel:-4px 0 0 #000;--surface-shine:repeating-linear-gradient(0deg, transparent, transparent 8px, #0000000a 8px, #0000000a 16px);--theme-color:#5fcde4;--logo-filter:none;-webkit-font-smoothing:none;-moz-osx-font-smoothing:unset}[data-theme=pixel] .nav-brand-logo{image-rendering:pixelated}[data-theme=pixel] .nav-rule{display:none}[data-theme=pixel] .app-nav{border-bottom:var(--pixel-border);box-shadow:var(--pixel-shadow-sm)}[data-theme=pixel] .bottom-nav{border-top:var(--pixel-border);box-shadow:0 -2px #000}[data-theme=pixel] .bottom-nav-item.active{color:var(--accent)}[data-theme=pixel] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=pixel] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=pixel] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=pixel] .message-bubble,[data-theme=pixel] .explore-msg{border:var(--pixel-border)}[data-theme=pixel] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.06em;text-transform:var(--person-name-transform);color:var(--accent);font-weight:600}[data-theme=pixel] .message-header{margin-bottom:var(--space-2xs)}[data-theme=pixel] .message-item--own .message-header{display:none}[data-theme=pixel] .message-original{margin-bottom:var(--space-0);color:var(--ink);font-size:.85rem;font-style:normal;font-weight:500}[data-theme=pixel] .message-original:before,[data-theme=pixel] .message-original:after{content:none}[data-theme=pixel] .message-correction,[data-theme=pixel] .message-translation{text-align:left;color:var(--correction);font-size:.78rem;font-style:normal;font-weight:600}[data-theme=pixel] .message-item--own .message-correction,[data-theme=pixel] .message-item--own .message-translation{text-align:left}[data-theme=pixel] .message-correction:before,[data-theme=pixel] .message-translation:before{display:none}[data-theme=pixel] .message-status{font-size:.78rem;font-style:normal}[data-theme=pixel] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=pixel] .message-time--inline{color:var(--ink-muted);letter-spacing:0;text-transform:none;margin-top:var(--space-2xs);flex-shrink:0;font-size:.62rem;font-style:normal;line-height:1}[data-theme=pixel] .message-actions{flex-wrap:wrap;width:auto}[data-theme=pixel] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--ink);border:var(--pixel-border);box-shadow:var(--pixel-shadow-sm);background:#fff1e8;border-radius:0;font-size:.95rem}[data-theme=pixel] .message-actions .icon-btn:hover:not(:disabled){color:var(--accent)}[data-theme=pixel] .pronunciation-text--inline{font-size:.72rem;font-style:normal}[data-theme=pixel] .chat-messages{gap:var(--space-sm)}[data-theme=pixel] .chat-input .app-input.chat-input-field,[data-theme=pixel] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--pixel-shadow-sm)}[data-theme=pixel] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height)}[data-theme=pixel] .chat-input-field::placeholder{font-style:normal}[data-theme=pixel] .send-btn{border:var(--pixel-border);box-shadow:var(--pixel-shadow-sm)}[data-theme=pixel] .send-btn .material-symbols-outlined{font-variation-settings:"FILL" 1, "wght" 700, "GRAD" 0, "opsz" 24;font-size:1.15rem}[data-theme=pixel] .send-btn:hover:not(:disabled){color:var(--send-btn-color);transform:translate(2px,2px);box-shadow:0 0 #000}[data-theme=pixel] .send-btn:disabled{opacity:.5}[data-theme=pixel] .settings-view,[data-theme=pixel] .login-view,[data-theme=pixel] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=pixel] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:var(--pixel-border)}[data-theme=pixel] .cards-tab{font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;font-size:.72rem;font-weight:600}[data-theme=pixel] .cards-tab--active{color:var(--ink);background:#ffec27}[data-theme=pixel] .explore-panel,[data-theme=pixel] .explore-panel--overlay{padding:var(--space-0)}[data-theme=pixel] .explore-header{border-bottom:var(--pixel-border);box-shadow:var(--pixel-shadow-sm)}[data-theme=pixel] .explore-header h2{font-family:var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-size:.85rem;font-weight:600}[data-theme=pixel] .explore-context{border-bottom:var(--pixel-border);background:#ffec2759}[data-theme=pixel] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=pixel] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=pixel] .explore-msg.assistant .explore-msg-author{color:#29adff}[data-theme=pixel] .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);color:var(--accent);font-size:.82rem;font-weight:600}[data-theme=pixel] .explore-pronunciation-word:before{display:none}[data-theme=pixel] .pronunciation-text--guide .pronunciation-text__content{font-style:normal}[data-theme=pixel] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=pixel] .cards-draft-preview{border-top:var(--pixel-border)}[data-theme=pixel] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.06em;color:var(--accent);font-weight:600}[data-theme=pixel] .settings-section h2,[data-theme=pixel] .settings-view h1,[data-theme=pixel] .login-card h1{font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;color:var(--accent);font-weight:600}[data-theme=pixel] .profile h2{text-transform:var(--person-name-transform)}[data-theme=pixel] .btn-primary,[data-theme=pixel] .btn-secondary{font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);border:var(--pixel-border);box-shadow:var(--pixel-shadow);font-size:.78rem;font-weight:600;text-decoration:none}[data-theme=pixel] .btn-primary{background:var(--accent);padding:var(--space-sm) var(--space-lg)}[data-theme=pixel] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover);box-shadow:var(--pixel-shadow-sm);transform:translate(2px,2px)}[data-theme=pixel] .btn-secondary{color:#fff;background:#83769c}[data-theme=pixel] .btn-secondary:hover:not(:disabled){color:#fff;box-shadow:var(--pixel-shadow-sm);transform:translate(2px,2px)}[data-theme=pixel] .app-input{border:var(--pixel-border);padding:var(--space-sm) var(--space-md);background:var(--paper-warm);box-shadow:var(--pixel-shadow-sm);border-radius:0;font-size:.85rem}[data-theme=pixel] .app-input:focus{outline-offset:0;border-color:#000;outline:4px solid #ffec27}[data-theme=pixel] .app-input::placeholder{font-style:normal}[data-theme=pixel] .card-flip,[data-theme=pixel] .cards-modal{border:var(--pixel-border);box-shadow:var(--pixel-shadow);border-radius:0}[data-theme=pixel] .theme-option{border:var(--pixel-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-warm);box-shadow:var(--pixel-shadow-sm);border-radius:0}[data-theme=pixel] .theme-option--active{box-shadow:var(--pixel-shadow);background:#ffec27}[data-theme=pixel] .theme-option-swatch{border:2px solid #000;border-radius:0}[data-theme=pixel] .icon-btn{border-radius:0}[data-theme=pixel] .cards-word-item{border-bottom:4px solid #000}[data-theme=pixel] .nav-settings-link:hover,[data-theme=pixel] .nav-settings-link.active{color:var(--accent)}[data-theme=retro]{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f0e6d3;--paper-warm:#faf4ea;--paper-deep:#e8dcc8;--ink:#4a3728;--ink-soft:#6b5344;--ink-muted:#9a8575;--line:#d4c4a8;--line-dark:#a89070;--accent:#d4642a;--accent-hover:#b85220;--correction:#4a7c59;--danger:#c0392b;--retro-shadow:0 3px 0 #4a37282e;--retro-shadow-md:0 4px 12px #4a372824;--retro-border:2px solid #a89070;--person-name-transform:capitalize;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:2px solid var(--line-dark);--message-inline-gap:var(--space-xs);--cards-draft-background:#f5d5a8;--surface-chrome:#faf4ea;--surface-card:#faf4ea;--message-own-background:#f5d5a8;--message-other-background:#faf4ea;--message-bubble-shadow:var(--retro-shadow);--message-bubble-radius:1rem;--message-bubble-radius-own:1rem 1rem .2rem 1rem;--message-bubble-radius-other:1rem 1rem 1rem .2rem;--message-bubble-max-width:75%;--message-bubble-padding:.55rem .75rem .45rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:var(--message-bubble-radius-other);--explore-msg-shadow:var(--retro-shadow);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:var(--message-bubble-radius-other);--explore-msg-assistant-shadow:var(--retro-shadow);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:var(--message-bubble-radius-own);--explore-msg-own-shadow:var(--retro-shadow);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#fff;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-warm);--chat-input-field-radius:9999px;--chat-input-field-border:var(--retro-border);--chat-input-border-top:2px solid var(--line);--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:15px;--input-padding-y:0;--send-btn-background:#d4642a;--send-btn-color:#fff;--send-btn-radius:50%;--send-btn-size:42px;--button-radius:9999px;--button-margin-top:var(--space-3xl);--button-color:#fff;--scrollbar-track:var(--paper);--scrollbar-thumb:#a89070;--scrollbar-thumb-hover:#d4642a;--scrollbar-button:var(--paper);--font-display:"Bitter", Georgia, serif;--font-body:"Rubik", system-ui, sans-serif;--overlay-scrim:#4a372873;--overlay-modal:#4a372859;--shadow-drawer:-8px 0 24px #4a37281f;--shadow-panel:-4px 0 16px #4a37281a;--surface-shine:linear-gradient(180deg, #fffaf0e6 0%, transparent 55%);--theme-color:#f0e6d3;--logo-filter:sepia(.35) saturate(1.2)}[data-theme=retro] .nav-rule{display:none}[data-theme=retro] .app-nav{border-bottom:2px solid var(--line);box-shadow:var(--retro-shadow)}[data-theme=retro] .bottom-nav{border-top:2px solid var(--line)}[data-theme=retro] .bottom-nav-item.active{color:var(--accent)}[data-theme=retro] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=retro] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=retro] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=retro] .message-bubble,[data-theme=retro] .explore-msg{border:var(--retro-border)}[data-theme=retro] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.02em;text-transform:var(--person-name-transform);color:var(--accent);font-weight:600}[data-theme=retro] .message-header{margin-bottom:var(--space-2xs)}[data-theme=retro] .message-item--own .message-header{display:none}[data-theme=retro] .message-original{font-family:var(--font-display);margin-bottom:var(--space-0);color:var(--ink-soft);font-size:.92rem;font-style:italic}[data-theme=retro] .message-original:before,[data-theme=retro] .message-original:after{content:none}[data-theme=retro] .message-correction,[data-theme=retro] .message-translation{text-align:left;color:var(--correction);font-size:.85rem;font-style:normal;font-weight:500}[data-theme=retro] .message-item--own .message-correction,[data-theme=retro] .message-item--own .message-translation{text-align:left}[data-theme=retro] .message-correction:before,[data-theme=retro] .message-translation:before{display:none}[data-theme=retro] .message-status{color:var(--ink-muted);font-size:.85rem;font-style:italic}[data-theme=retro] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=retro] .message-time--inline{color:var(--ink-muted);letter-spacing:.04em;text-transform:uppercase;margin-top:var(--space-2xs);flex-shrink:0;font-size:.68rem;font-style:normal;line-height:1}[data-theme=retro] .message-actions{flex-wrap:wrap;width:auto}[data-theme=retro] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--ink-muted);border:var(--retro-border);background:var(--paper-warm);border-radius:50%;font-size:1rem}[data-theme=retro] .message-actions .icon-btn:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}[data-theme=retro] .pronunciation-text--inline{font-size:.78rem;font-style:italic}[data-theme=retro] .chat-messages{gap:var(--space-sm)}[data-theme=retro] .chat-input .app-input.chat-input-field,[data-theme=retro] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--retro-shadow)}[data-theme=retro] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height)}[data-theme=retro] .chat-input-field::placeholder{color:var(--ink-muted);font-style:normal}[data-theme=retro] .send-btn{border:2px solid var(--accent-hover);box-shadow:var(--retro-shadow)}[data-theme=retro] .send-btn .material-symbols-outlined{font-size:1.2rem}[data-theme=retro] .send-btn:hover:not(:disabled){color:var(--send-btn-color);background:var(--accent-hover)}[data-theme=retro] .send-btn:disabled{opacity:.5}[data-theme=retro] .settings-view,[data-theme=retro] .login-view,[data-theme=retro] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=retro] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:2px solid var(--line)}[data-theme=retro] .cards-tab{font-family:var(--font-body);letter-spacing:.03em;text-transform:uppercase;font-size:.75rem;font-weight:600}[data-theme=retro] .cards-tab--active{color:var(--accent);background:#f5d5a8}[data-theme=retro] .explore-panel,[data-theme=retro] .explore-panel--overlay{padding:var(--space-0)}[data-theme=retro] .explore-header{border-bottom:2px solid var(--line);box-shadow:var(--retro-shadow)}[data-theme=retro] .explore-header h2{font-family:var(--font-display);letter-spacing:.04em;color:var(--accent);font-size:1rem;font-weight:700}[data-theme=retro] .explore-context{border-bottom:2px solid var(--line);background:#f5d5a859}[data-theme=retro] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=retro] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=retro] .explore-msg.assistant .explore-msg-author{color:var(--correction)}[data-theme=retro] .explore-pronunciation-word{padding-left:var(--space-0);font-family:var(--font-display);color:var(--accent);font-size:.9rem;font-style:italic;font-weight:600}[data-theme=retro] .explore-pronunciation-word:before{display:none}[data-theme=retro] .pronunciation-text--guide .pronunciation-text__content{font-style:italic}[data-theme=retro] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=retro] .cards-draft-preview{border-top:2px solid var(--line)}[data-theme=retro] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.02em;color:var(--accent);font-weight:600}[data-theme=retro] .settings-section h2,[data-theme=retro] .settings-view h1,[data-theme=retro] .login-card h1{font-family:var(--font-display);letter-spacing:.04em;color:var(--accent);font-weight:700}[data-theme=retro] .profile h2{font-family:var(--font-display);text-transform:var(--person-name-transform)}[data-theme=retro] .btn-primary,[data-theme=retro] .btn-secondary{font-family:var(--font-body);letter-spacing:.04em;text-transform:uppercase;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);box-shadow:var(--retro-shadow-md);border:2px solid #0000;font-size:.82rem;font-weight:600;text-decoration:none}[data-theme=retro] .btn-primary{background:var(--accent);border-color:var(--accent-hover);padding:var(--space-sm) var(--space-lg)}[data-theme=retro] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover)}[data-theme=retro] .btn-secondary{background:var(--paper-deep);color:var(--ink);border-color:var(--line-dark)}[data-theme=retro] .btn-secondary:hover:not(:disabled){color:var(--accent);border-color:var(--accent)}[data-theme=retro] .app-input{border:var(--retro-border);padding:var(--space-sm) var(--space-md);background:var(--paper-warm);box-shadow:var(--retro-shadow);border-radius:.5rem}[data-theme=retro] .app-input:focus{border-color:var(--accent);outline:none}[data-theme=retro] .app-input::placeholder{font-style:normal}[data-theme=retro] .card-flip,[data-theme=retro] .cards-modal{border:var(--retro-border);box-shadow:var(--retro-shadow-md);border-radius:.75rem}[data-theme=retro] .theme-option{border:var(--retro-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-warm);box-shadow:var(--retro-shadow);border-radius:.75rem}[data-theme=retro] .theme-option--active{border-color:var(--accent);box-shadow:var(--retro-shadow-md);background:#f5d5a8}[data-theme=retro] .theme-option-swatch{border:2px solid var(--line-dark);border-radius:50%}[data-theme=retro] .icon-btn{border-radius:50%}[data-theme=retro] .cards-word-item{border-bottom:1px solid var(--line)}[data-theme=retro] .nav-settings-link:hover,[data-theme=retro] .nav-settings-link.active{color:var(--accent)}[data-theme=retro] .app-nav,[data-theme=retro] .bottom-nav{background:var(--surface-shine), var(--surface-chrome)}[data-theme=matrix]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--paper:#020802;--paper-warm:#0a120a;--paper-deep:#051005;--ink:#00ff41;--ink-soft:#00e63a;--ink-muted:#082;--line:#003b00;--line-dark:#00ff41;--accent:#00ff41;--accent-hover:#39ff14;--correction:#7fff7f;--danger:#f33;--matrix-glow:0 0 8px #00ff4173;--matrix-glow-sm:0 0 4px #00ff4159;--matrix-border:1px solid #00ff41;--matrix-shadow:0 0 14px #00ff4133;--person-name-transform:uppercase;--chrome-bar-padding-x:var(--space-3xl);--tutor-chat-padding-x:var(--chrome-bar-padding-x);--app-padding:0;--app-padding-x:var(--chrome-bar-padding-x);--chat-messages-padding:var(--space-sm) var(--space-0) var(--space-md);--message-item-padding:var(--space-0);--message-padding-x:var(--space-md);--message-header-margin-bottom:var(--space-xs);--message-actions-margin-top:var(--space-0);--message-actions-padding-top:var(--space-0);--message-aside-margin-top:var(--space-xs);--message-aside-padding-left:var(--space-0);--message-aside-padding-right:var(--space-0);--message-aside-border:1px solid var(--ink-muted);--message-inline-gap:var(--space-xs);--cards-draft-background:#0a180a;--surface-chrome:#050d05;--surface-card:#0a120a;--message-own-background:#0f2a0f;--message-other-background:#0a180a;--message-bubble-shadow:var(--matrix-shadow);--message-bubble-radius:0;--message-bubble-radius-own:0;--message-bubble-radius-other:0;--message-bubble-max-width:75%;--message-bubble-padding:.5rem .65rem .4rem;--message-bubble-display:flex;--message-item-display:flex;--message-item-border-bottom:none;--message-footer-display:flex;--message-time-inline-display:inline;--message-time-header-display:none;--explore-msg-padding:var(--message-bubble-padding);--explore-msg-background:var(--message-other-background);--explore-msg-radius:0;--explore-msg-shadow:var(--matrix-shadow);--explore-msg-assistant-background:var(--message-other-background);--explore-msg-assistant-radius:0;--explore-msg-assistant-shadow:var(--matrix-shadow);--explore-msg-own-background:var(--message-own-background);--explore-msg-own-radius:0;--explore-msg-own-shadow:var(--matrix-shadow);--explore-msg-border-bottom:none;--explore-msg-align:flex-start;--explore-msg-width:fit-content;--explore-msg-max-width:var(--message-bubble-max-width);--explore-msg-own-width:fit-content;--explore-msg-own-text-align:left;--explore-msg-own-align:flex-end;--explore-messages-gap:var(--space-sm);--send-btn-hover-color:#020802;--message-actions-own-direction:row;--message-actions-own-justify:flex-start;--message-actions-explore-margin-left:var(--space-0);--message-actions-explore-margin-right:var(--space-0);--message-own-pronunciation-margin-left:var(--message-inline-gap);--message-own-pronunciation-margin-right:var(--space-0);--message-own-pronunciation-text-align:left;--chat-input-background:var(--surface-chrome);--chat-input-field-background:var(--paper-deep);--chat-input-field-radius:0;--chat-input-field-border:var(--matrix-border);--chat-input-border-top:var(--matrix-border);--chat-input-padding:var(--space-md) var(--space-md);--chat-input-gap:var(--space-sm);--chat-input-min-height:40px;--chat-input-field-padding-y:10px;--chat-input-field-padding-x:1rem;--chat-input-field-line-height:20px;--chat-input-field-font-size:14px;--input-padding-y:0;--send-btn-background:#00ff41;--send-btn-color:#020802;--send-btn-radius:0;--send-btn-size:40px;--button-radius:0;--button-margin-top:var(--space-3xl);--button-color:#020802;--scrollbar-track:var(--paper);--scrollbar-thumb:#00ff41;--scrollbar-thumb-hover:#39ff14;--scrollbar-button:var(--paper);--font-display:"Share Tech Mono", "Courier New", monospace;--font-body:"Share Tech Mono", "Courier New", monospace;--overlay-scrim:#000000b3;--overlay-modal:#0009;--shadow-drawer:-4px 0 24px #00ff4126;--shadow-panel:-2px 0 16px #00ff411f;--surface-shine:repeating-linear-gradient(0deg, transparent, transparent 2px, #00ff410a 2px, #00ff410a 4px);--theme-color:#020802;--logo-filter:brightness(0) saturate(100%) invert(64%) sepia(98%) saturate(500%) hue-rotate(86deg)}[data-theme=matrix] .nav-rule{display:none}[data-theme=matrix] .app-nav{border-bottom:var(--matrix-border);box-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .bottom-nav{border-top:var(--matrix-border);box-shadow:0 0 8px #00ff4133}[data-theme=matrix] .bottom-nav-item.active{color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .message-item{padding:var(--space-0) var(--message-padding-x) var(--space-xs);background:0 0;border-bottom:none;flex-direction:row}[data-theme=matrix] .message-item--own{text-align:left;justify-content:flex-end}[data-theme=matrix] .message-item:not(.message-item--own){justify-content:flex-start}[data-theme=matrix] .message-bubble,[data-theme=matrix] .explore-msg{border:var(--matrix-border)}[data-theme=matrix] .message-author{font-family:var(--font-body);font-size:var(--person-name-size);letter-spacing:.08em;text-transform:var(--person-name-transform);color:var(--accent);text-shadow:var(--matrix-glow-sm);font-weight:400}[data-theme=matrix] .message-header{margin-bottom:var(--space-2xs)}[data-theme=matrix] .message-item--own .message-header{display:none}[data-theme=matrix] .message-original{margin-bottom:var(--space-0);color:var(--ink);text-shadow:var(--matrix-glow-sm);font-size:.88rem;font-style:normal}[data-theme=matrix] .message-original:before,[data-theme=matrix] .message-original:after{content:none}[data-theme=matrix] .message-correction,[data-theme=matrix] .message-translation{text-align:left;color:var(--correction);text-shadow:var(--matrix-glow-sm);font-size:.82rem;font-style:normal}[data-theme=matrix] .message-item--own .message-correction,[data-theme=matrix] .message-item--own .message-translation{text-align:left}[data-theme=matrix] .message-correction:before,[data-theme=matrix] .message-translation:before{display:none}[data-theme=matrix] .message-status{color:var(--ink-muted);font-size:.82rem;font-style:normal}[data-theme=matrix] .message-footer{justify-content:flex-end;align-items:flex-end;gap:var(--space-sm);margin-top:var(--space-2xs)}[data-theme=matrix] .message-time--inline{color:var(--ink-muted);letter-spacing:.06em;text-transform:uppercase;margin-top:var(--space-2xs);flex-shrink:0;font-size:.62rem;font-style:normal;line-height:1}[data-theme=matrix] .message-actions{flex-wrap:wrap;width:auto}[data-theme=matrix] .message-actions .icon-btn{padding:var(--space-2xs);color:var(--accent);border:var(--matrix-border);background:var(--paper-deep);box-shadow:var(--matrix-glow-sm);border-radius:0;font-size:1rem}[data-theme=matrix] .message-actions .icon-btn:hover:not(:disabled){color:var(--accent-hover);text-shadow:var(--matrix-glow)}[data-theme=matrix] .pronunciation-text--inline{color:var(--ink-muted);font-size:.76rem;font-style:normal}[data-theme=matrix] .chat-messages{gap:var(--space-sm)}[data-theme=matrix] .chat-input .app-input.chat-input-field,[data-theme=matrix] .chat-input .app-input.chat-input-field:focus{min-height:var(--chat-input-min-height);padding:var(--chat-input-field-padding-y) var(--chat-input-field-padding-x);line-height:var(--chat-input-field-line-height);box-sizing:border-box;box-shadow:var(--matrix-glow-sm);color:var(--ink)}[data-theme=matrix] .chat-input-field{font-size:var(--chat-input-field-font-size);line-height:var(--chat-input-field-line-height)}[data-theme=matrix] .chat-input-field::placeholder{color:var(--ink-muted);font-style:normal}[data-theme=matrix] .send-btn{border:var(--matrix-border);box-shadow:var(--matrix-glow)}[data-theme=matrix] .send-btn .material-symbols-outlined{font-size:1.2rem}[data-theme=matrix] .send-btn:hover:not(:disabled){color:var(--send-btn-color);background:var(--accent-hover);box-shadow:var(--matrix-glow)}[data-theme=matrix] .send-btn:disabled{opacity:.4}[data-theme=matrix] .settings-view,[data-theme=matrix] .login-view,[data-theme=matrix] .cards-view{padding-left:var(--app-padding-x);padding-right:var(--app-padding-x)}[data-theme=matrix] .cards-tabs{margin-left:calc(-1 * var(--app-padding-x));margin-right:calc(-1 * var(--app-padding-x));padding-left:var(--app-padding-x);padding-right:var(--app-padding-x);border-bottom:var(--matrix-border)}[data-theme=matrix] .cards-tab{font-family:var(--font-body);letter-spacing:.06em;text-transform:uppercase;font-size:.72rem}[data-theme=matrix] .cards-tab--active{background:var(--message-own-background);color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .explore-panel,[data-theme=matrix] .explore-panel--overlay{padding:var(--space-0)}[data-theme=matrix] .explore-header{border-bottom:var(--matrix-border);box-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .explore-header h2{font-family:var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--accent);text-shadow:var(--matrix-glow-sm);font-size:.85rem}[data-theme=matrix] .explore-context{border-bottom:var(--matrix-border);background:#00ff410a}[data-theme=matrix] .explore-msg{margin:var(--space-0) var(--message-padding-x) var(--space-0)}[data-theme=matrix] .explore-msg--own .explore-msg-author{text-align:left}[data-theme=matrix] .explore-msg.assistant .explore-msg-author{color:var(--accent)}[data-theme=matrix] .explore-pronunciation-word{padding-left:var(--space-0);font-style:normal;font-family:var(--font-body);color:var(--accent);font-size:.85rem}[data-theme=matrix] .explore-pronunciation-word:before{display:none}[data-theme=matrix] .pronunciation-text--guide .pronunciation-text__content{font-style:normal}[data-theme=matrix] .cards-add-messages{gap:var(--explore-messages-gap);flex-direction:column;display:flex}[data-theme=matrix] .cards-draft-preview{border-top:var(--matrix-border)}[data-theme=matrix] .explore-msg-author{font-family:var(--font-body);text-transform:var(--person-name-transform);letter-spacing:.08em;color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .settings-section h2,[data-theme=matrix] .settings-view h1,[data-theme=matrix] .login-card h1{font-family:var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .profile h2{text-transform:var(--person-name-transform);color:var(--ink);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .btn-primary,[data-theme=matrix] .btn-secondary{font-family:var(--font-body);letter-spacing:.06em;text-transform:uppercase;border-radius:var(--button-radius);margin-top:var(--button-margin-top);color:var(--button-color);border:var(--matrix-border);box-shadow:var(--matrix-glow-sm);font-size:.78rem;text-decoration:none}[data-theme=matrix] .btn-primary{background:var(--accent);padding:var(--space-sm) var(--space-lg)}[data-theme=matrix] .btn-primary:hover:not(:disabled){color:var(--button-color);background:var(--accent-hover);box-shadow:var(--matrix-glow)}[data-theme=matrix] .btn-secondary{color:var(--accent);text-shadow:var(--matrix-glow-sm);background:0 0}[data-theme=matrix] .btn-secondary:hover:not(:disabled){color:var(--accent-hover);box-shadow:var(--matrix-glow)}[data-theme=matrix] .app-input{border:var(--matrix-border);padding:var(--space-sm) var(--space-md);background:var(--paper-deep);box-shadow:var(--matrix-glow-sm);color:var(--ink);border-radius:0}[data-theme=matrix] .app-input:focus{border-color:var(--accent-hover);box-shadow:var(--matrix-glow);outline:none}[data-theme=matrix] .app-input::placeholder{color:var(--ink-muted);font-style:normal}[data-theme=matrix] .card-flip{border:var(--matrix-border);box-shadow:var(--matrix-shadow);border-radius:0}[data-theme=matrix] .cards-modal{border:var(--matrix-border);box-shadow:var(--matrix-glow);border-radius:0}[data-theme=matrix] .theme-option{border:var(--matrix-border);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);background:var(--paper-deep);box-shadow:var(--matrix-glow-sm);border-radius:0}[data-theme=matrix] .theme-option--active{background:var(--message-own-background);box-shadow:var(--matrix-glow)}[data-theme=matrix] .theme-option-swatch{border:1px solid var(--accent);border-radius:0}[data-theme=matrix] .icon-btn{border-radius:0}[data-theme=matrix] .cards-word-item{border-bottom:1px solid var(--line)}[data-theme=matrix] .nav-settings-link:hover,[data-theme=matrix] .nav-settings-link.active{color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] .cards-modal-delete{color:var(--danger);text-shadow:0 0 6px #ff333380}[data-theme=matrix] .success{color:var(--correction)}[data-theme=matrix] a{color:var(--accent);text-shadow:var(--matrix-glow-sm)}[data-theme=matrix] a:hover{color:var(--accent-hover)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}*{scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}::-webkit-scrollbar{width:var(--scrollbar-size);height:var(--scrollbar-size)}::-webkit-scrollbar-button{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:single-button{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:double-button{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:horizontal:decrement{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:horizontal:increment{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:vertical:decrement{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:vertical:increment{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:vertical:start:decrement{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:vertical:end:increment{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:horizontal:start:decrement{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:horizontal:end:increment{appearance:none;background-color:var(--scrollbar-button);box-shadow:none;color:var(--scrollbar-button);background-image:none;border:none}::-webkit-scrollbar-button:hover{background-color:var(--scrollbar-button);color:var(--scrollbar-button);background-image:none}::-webkit-scrollbar-button:active{background-color:var(--scrollbar-button);color:var(--scrollbar-button);background-image:none}::-webkit-scrollbar-corner{background:0 0}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background-color:var(--scrollbar-thumb);border-radius:999px}::-webkit-scrollbar-thumb:hover{background-color:var(--scrollbar-thumb-hover)}html,body,#app{height:100%}body{background:var(--surface-shine), var(--paper);overflow:hidden}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}.material-symbols-outlined{font-variation-settings:"FILL" 0, "wght" 200, "GRAD" 0, "opsz" 24;-webkit-user-select:none;user-select:none}.app{height:100%;min-height:100dvh;padding:var(--app-padding);grid-template-rows:auto 1fr;display:grid}.app--bottom-nav{grid-template-rows:auto 1fr auto}.app--explore{grid-template-rows:1fr}.app-nav{background:var(--surface-chrome);padding:0}.nav-rule{background:var(--line-dark);height:1px}.nav-rule--bottom{margin-top:var(--nav-rule-margin-top)}.nav-inner{justify-content:space-between;align-items:center;gap:var(--nav-inner-gap);width:100%;height:var(--chrome-bar-height);min-height:var(--chrome-bar-height);padding:var(--space-0) var(--chrome-bar-padding-x);flex-direction:row;display:flex}.nav-brand{min-width:0;color:var(--ink);flex:1;text-decoration:none}.nav-brand:hover{color:var(--ink)}.menu-toggle{color:var(--ink);cursor:pointer;padding:var(--nav-icon-padding);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;font-size:1.6rem;display:inline-flex}.menu-toggle:hover{color:var(--accent)}.nav-settings-link{color:var(--ink-muted);font-size:var(--chrome-bar-icon-size);flex-shrink:0;text-decoration:none;display:flex}.nav-settings-link:hover,.nav-settings-link.active{color:var(--accent)}.bottom-nav{border-top:1px solid var(--line-dark);background:var(--surface-chrome);height:calc(var(--chrome-bar-height) + env(safe-area-inset-bottom,0));padding:var(--space-0) var(--chrome-bar-padding-x) env(safe-area-inset-bottom,0);grid-template-columns:repeat(3,1fr);display:grid}.bottom-nav-item{height:var(--chrome-bar-height);color:var(--ink-muted);background:0 0;justify-content:center;align-items:center;padding:0;text-decoration:none;display:flex}.bottom-nav-item .material-symbols-outlined{font-size:var(--chrome-bar-icon-size)}.bottom-nav-item.active,.bottom-nav-item:hover{color:var(--accent)}.menu-overlay{z-index:200;background:var(--overlay-scrim);position:fixed;inset:0}.nav-drawer{z-index:201;background:var(--surface-chrome);border-left:1px solid var(--line-dark);width:min(300px,88vw);height:100dvh;box-shadow:var(--shadow-drawer);padding:var(--nav-drawer-padding);gap:var(--nav-drawer-gap);flex-direction:column;display:flex;position:fixed;top:0;right:0}.nav-drawer-header{padding-bottom:var(--nav-drawer-header-padding-bottom);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;display:flex}.nav-drawer-title{font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;font-size:1.25rem;font-weight:700}.menu-close{color:var(--ink-muted);cursor:pointer;padding:var(--nav-icon-padding);background:0 0;border:none;justify-content:center;align-items:center;font-size:1.5rem;display:inline-flex}.menu-close:hover{color:var(--ink)}.nav-drawer-links{gap:var(--nav-drawer-links-gap);font-family:var(--font-display);letter-spacing:.14em;text-transform:uppercase;flex-direction:column;font-size:1.15rem;display:flex}.nav-drawer-links a{color:var(--ink-muted);text-decoration:none}.nav-drawer-links a.active{color:var(--ink);font-weight:600}.nav-drawer-links .nav-link-disabled{color:var(--line);cursor:default;-webkit-user-select:none;user-select:none}.drawer-slide-enter-active,.drawer-slide-leave-active{transition:transform .32s cubic-bezier(.4,0,.2,1)}.drawer-slide-enter-from,.drawer-slide-leave-to{transform:translate(100%)}.drawer-fade-enter-active,.drawer-fade-leave-active{transition:opacity 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.chat-messages>.empty-chat,.cards-word-list>.cards-empty{padding-top:var(--chat-loading-padding-top);margin-top:0}.tutor-chat .chat-input,.explore-panel .chat-input{padding-left:var(--tutor-chat-padding-x);padding-right:var(--tutor-chat-padding-x)}.empty-chat{text-align:center;color:var(--ink-muted);margin-top:var(--chat-empty-margin-top);font-size:.95rem;font-style:italic}.load-more{padding:var(--chat-load-more-padding);justify-content:center;display:flex}.chat-input{align-items:center;gap:var(--chat-input-gap);padding:var(--chat-input-padding);border-top:var(--chat-input-border-top);background:var(--chat-input-background);flex-shrink:0;grid-template-columns:1fr auto;display:grid}.chat-input-field{min-height:var(--chat-input-min-height,0);max-height:var(--chat-input-max-height);resize:none;scrollbar-width:none;-ms-overflow-style:none;height:auto;font-size:.85rem;line-height:1.45;overflow-y:auto}.chat-input .app-input.chat-input-field,.chat-input .app-input.chat-input-field:focus{border:var(--chat-input-field-border);border-radius:var(--chat-input-field-radius);background:var(--chat-input-field-background);outline:none;padding:0}.chat-input-field::-webkit-scrollbar{display:none}.chat-input .send-btn{padding:var(--chat-send-padding);align-self:center;line-height:1}.send-btn{width:var(--send-btn-size);height:var(--send-btn-size);padding:var(--chat-send-btn-padding);background:var(--send-btn-background);color:var(--send-btn-color);border-radius:var(--send-btn-radius);cursor:pointer;border:none;justify-content:center;align-items:center;font-size:1.4rem;display:inline-flex}.send-btn:hover:not(:disabled){color:var(--send-btn-hover-color,var(--accent-hover))}.send-btn:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.app-input{width:100%;padding:var(--input-padding-y) var(--space-0);border:none;border-bottom:1px solid var(--line);color:var(--ink);font-family:var(--font-body);background:0 0;border-radius:0;font-size:.95rem}.app-input::placeholder{color:var(--ink-muted);font-style:italic}.app-input:focus{border-bottom-color:var(--line-dark);outline:none}.app-input:disabled{opacity:var(--opacity-muted);cursor:not-allowed}.message-item{display:var(--message-item-display,block);padding:var(--message-item-padding);border-bottom:var(--message-item-border-bottom,1px solid var(--line));background:0 0}.message-item--own{text-align:right;justify-content:flex-end}.message-bubble{display:var(--message-bubble-display,contents);max-width:var(--message-bubble-max-width);padding:var(--message-bubble-padding);border-radius:var(--message-bubble-radius);box-shadow:var(--message-bubble-shadow);background:var(--message-other-background);flex-direction:column}.message-item--own .message-bubble{background:var(--message-own-background);border-radius:var(--message-bubble-radius-own,var(--message-bubble-radius))}.message-item:not(.message-item--own) 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.message-time{margin-left:0;margin-right:auto}.message-actions{align-items:center;gap:var(--message-actions-gap);margin-top:var(--message-actions-margin-top);padding-top:var(--message-actions-padding-top);width:100%;display:flex}.message-header{align-items:baseline;gap:var(--message-header-gap);margin-bottom:var(--message-header-margin-bottom);display:flex}.avatar{object-fit:cover;border-radius:0;width:auto;height:auto}.avatar-placeholder{font-family:var(--font-display);color:var(--accent);letter-spacing:.05em;background:0 0;font-size:1rem;font-weight:700;display:inline}.avatar-placeholder:after{content:" 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0;border:none;border-radius:0;justify-content:center;align-items:center;font-size:1.2rem;display:inline-flex}.icon-btn:hover:not(:disabled){color:var(--accent)}.icon-btn:disabled{opacity:var(--opacity-icon-disabled);cursor:not-allowed}.pronunciation-text--inline{margin-left:var(--message-inline-gap);text-align:left}.message-actions .pronunciation-text--inline{max-width:var(--pronunciation-max-width);flex-shrink:1;min-width:0}.message-actions .pronunciation-text--inline :deep(.pronunciation-text__content){white-space:normal}.message-item--own .pronunciation-text--inline{margin-left:var(--space-0);margin-right:var(--message-inline-gap);text-align:right}.explore-btn{margin-left:auto}.message-translation{color:var(--ink-muted);margin-top:var(--message-translation-margin-top);font-size:.82rem;font-style:italic}.explore-panel{height:100%;min-height:0;padding:var(--app-padding);box-sizing:border-box;background:0 0;grid-template-rows:auto auto 1fr auto;display:grid;overflow:hidden}.explore-panel--fullscreen{border:none;width:100%;height:100%}.explore-panel--overlay{z-index:200;background:var(--surface-shine), var(--paper);width:100%;height:100%;box-shadow:var(--shadow-panel);position:fixed;inset:0}.explore-slide-enter-active,.explore-slide-leave-active{transition:transform .34s cubic-bezier(.4,0,.2,1)}.explore-slide-enter-from,.explore-slide-leave-to{transform:translate(100%)}.explore-header{height:var(--chrome-bar-height);padding:var(--space-0) var(--tutor-chat-padding-x);border-bottom:1px solid var(--line);background:var(--surface-chrome);flex-shrink:0;justify-content:space-between;align-items:center;display:flex}.explore-header h2{font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;font-size:.95rem;font-weight:700;line-height:1}.explore-context{padding:var(--explore-context-padding-y) var(--tutor-chat-padding-x);border-bottom:1px solid var(--line);background:0 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strong{color:var(--ink);font-weight:700}.markdown-content em{font-style:italic}.markdown-content code{background:var(--paper-deep);padding:var(--markdown-code-padding);font-family:ui-monospace,Cascadia Code,monospace;font-size:.88em}.markdown-content pre{margin:var(--markdown-pre-margin);padding:var(--markdown-pre-padding);background:var(--paper-deep);font-size:.85em;line-height:1.5;overflow-x:auto}.markdown-content pre code{background:0 0;padding:0}.markdown-content ul,.markdown-content ol{margin:var(--markdown-block-margin);padding-left:var(--markdown-list-padding-left)}.markdown-content li+li{margin-top:var(--markdown-list-item-margin-top)}.markdown-content blockquote{margin:var(--markdown-block-margin);padding-left:var(--markdown-blockquote-padding-left);border-left:2px solid var(--line-dark);color:var(--ink-soft);font-style:italic}.loading{text-align:center;color:var(--ink-muted);font-style:italic}.explore-msg--typing .typing-indicator{color:var(--ink-muted);margin:0;font-size:.88rem;font-style:italic}.cards-view{grid-template-rows:auto 1fr;height:100%;min-height:0;display:grid;overflow:hidden}.cards-tabs{height:var(--chrome-bar-height);border-bottom:1px solid var(--line-dark);background:var(--surface-chrome);flex-shrink:0;grid-template-columns:repeat(3,1fr);display:grid}.cards-tab{height:var(--chrome-bar-height);padding:var(--space-0) var(--cards-tab-padding-x);font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-size:.78rem;display:flex}.cards-tab--active{color:var(--accent)}.cards-panel{flex-direction:column;min-height:0;display:flex;overflow:hidden}.cards-empty{color:var(--ink-muted);text-align:center;font-style:italic;line-height:1.6}.card-play{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;min-height:0;display:flex}.card-play-session{flex-direction:column;flex:1;width:100%;min-height:0;display:flex}.card-play-stage{flex:1;justify-content:center;align-items:center;width:100%;min-height:0;display:flex;position:relative;overflow:hidden}.card-rise-enter-from{opacity:0;transform:translateY(56px)}.card-rise-enter-active{transition:transform .38s cubic-bezier(.22,1,.36,1),opacity 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.card-play-score{width:auto}.card-play-score{text-align:center;width:100%;font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft);margin:0;font-size:.72rem}.card-play-finished{text-align:center;padding:var(--card-play-finished-padding)}.card-play-start{justify-content:center;align-items:center;gap:var(--space-3xl);flex-direction:column;flex:1;display:flex}.card-play-setup{align-items:center;gap:var(--space-lg);flex-direction:column;width:100%;display:flex}.card-play-count-picker{justify-content:center;align-items:center;gap:var(--space-xl);display:flex}.card-play-count-value{text-align:center;min-width:2rem;font-family:var(--font-display);letter-spacing:.08em;color:var(--ink);font-size:1.25rem}.card-play-count-btn{font-size:var(--chrome-bar-icon-size);color:var(--ink-muted)}.card-play-count-btn:hover:not(:disabled){color:var(--accent)}.card-play-finished .card-play-setup{margin:var(--space-lg) 0 var(--space-3xl)}.card-play-finished .btn-primary{margin-top:var(--space-sm)}.card-play-finished-title{font-family:var(--font-display);letter-spacing:.08em;text-transform:uppercase;margin-bottom:var(--card-play-finished-title-margin-bottom);font-size:1.5rem}.card-swipe{justify-content:center;align-items:center;gap:var(--card-swipe-gap);touch-action:none;-webkit-user-select:none;user-select:none;flex-direction:column;width:100%;max-width:340px;display:flex;position:relative}.card-swipe-stage{width:100%;position:relative}.card-swipe-track{cursor:grab;z-index:2;touch-action:none;will-change:transform, opacity;width:100%;position:relative}.card-swipe-tint{pointer-events:none;z-index:3;transition:opacity .1s;position:absolute;inset:0}.card-swipe-tint--miss{background:var(--danger)}.card-swipe-tint--hit{background:var(--correction)}.card-swipe-track--exit-left{opacity:0;transition:transform .32s cubic-bezier(.4,0,.2,1),opacity .32s;transform:translate(-130%)rotate(-16deg)}.card-swipe-track--exit-right{opacity:0;transition:transform .32s cubic-bezier(.4,0,.2,1),opacity .32s;transform:translate(130%)rotate(16deg)}.card-swipe-track:active{cursor:grabbing}.card-flip-wrap{perspective:1000px;width:100%}.card-flip{width:100%;min-height:var(--card-min-height);transform-style:preserve-3d;border:1px solid var(--line-dark);background:var(--surface-card);transition:transform .5s;position:relative}.card-flip--flipped{transform:rotateY(180deg)}.card-flip-face{backface-visibility:hidden;padding:var(--card-face-padding);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.card-flip-back{overflow-y:auto;transform:rotateY(180deg)}.card-word{font-family:var(--font-display);letter-spacing:.04em;color:var(--ink);font-size:2.5rem;font-weight:700}.card-sentence{color:var(--ink-soft);margin-bottom:var(--card-sentence-margin-bottom);font-size:1rem;line-height:1.6}.card-translation{color:var(--ink-muted);margin:0 0 var(--space-md);text-align:center;width:100%;font-size:.9rem;font-style:italic;line-height:1.5}.card-image-wrap{margin:0 auto var(--space-md);pointer-events:none;-webkit-user-select:none;user-select:none;width:150px;height:150px}.card-image{object-fit:contain;border:1px solid var(--line);pointer-events:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;background:#fff;width:150px;height:150px;display:block}.card-back-actions{justify-content:center;align-items:center;gap:var(--space-sm);width:100%;display:flex}.card-flip-btn{font-size:var(--chrome-bar-icon-size);color:var(--ink-muted);touch-action:manipulation;flex-shrink:0}.card-flip-btn:hover{color:var(--accent)}.cards-add-chat{gap:var(--space-0);flex:1;grid-template-rows:1fr auto auto auto;min-height:0;display:grid}.cards-add-messages{padding-bottom:var(--cards-add-messages-padding-bottom);min-height:200px;overflow-y:auto}.cards-add-messages>.explore-msg:first-child{padding-top:var(--explore-messages-padding-y)}.cards-save-success{text-align:center;justify-content:center;align-items:center;min-height:120px;margin:0;display:flex}.cards-draft-preview{padding:var(--cards-draft-padding);background:var(--cards-draft-background);border-top:1px solid var(--line)}.cards-draft-label{font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:var(--cards-draft-label-margin-bottom);font-size:.72rem}.cards-draft-word{font-family:var(--font-display);font-size:1.25rem;font-weight:600}.cards-draft-sentence{color:var(--ink-soft);margin-top:var(--cards-draft-text-margin-top);font-size:.9rem}.cards-draft-preview .pronunciation-text{color:var(--accent);margin-top:var(--cards-draft-text-margin-top);font-size:.85rem}.cards-save-btn{margin-top:var(--cards-save-btn-margin-top)}.cards-word-list{flex-direction:column;min-height:0;display:flex;overflow:hidden}.cards-word-search.chat-input{border-top:none;border-bottom:var(--chat-input-border-top);flex-shrink:0}.cards-word-search .chat-input-field{max-height:none}.cards-word-search .chat-input-field::-webkit-search-cancel-button{display:none}.cards-word-search-empty{padding-top:var(--space-4xl)}.cards-word-list-items{flex:1;min-height:0;margin:0;padding:0;list-style:none;overflow-y:auto}.cards-word-item{justify-content:space-between;align-items:flex-start;gap:var(--cards-word-item-gap);padding:var(--cards-word-item-padding-y) var(--space-0);border-bottom:1px dotted var(--line);display:flex}.cards-word-item-body{flex:1;min-width:0}.cards-word-item-heading{flex-wrap:wrap;align-items:baseline;gap:.35em .5em;display:flex}.cards-word-item-word{font-family:var(--font-display);font-size:1.15rem;font-weight:600}.cards-word-item-sentence{color:var(--ink-soft);margin-top:var(--cards-word-meta-margin-top);font-size:.88rem;line-height:1.5}.cards-word-item-meta{color:var(--ink-muted);margin-top:var(--cards-word-meta-margin-top);font-size:.78rem;font-style:italic}.cards-word-delete{color:var(--ink-muted);flex-shrink:0}.cards-word-delete:hover{color:var(--danger)}.cards-modal-overlay{background:var(--overlay-modal);z-index:200;position:fixed;inset:0}.cards-modal{z-index:201;background:var(--surface-card);border:1px solid var(--line-dark);padding:var(--cards-modal-padding);max-width:360px;width:calc(100% - var(--modal-width-gutter));position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.cards-modal-title{font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;margin-bottom:var(--cards-modal-title-margin-bottom);font-size:1.1rem}.cards-modal-text{color:var(--ink-soft);margin-bottom:var(--cards-modal-text-margin-bottom);font-size:.9rem;line-height:1.6}.cards-modal-actions{gap:var(--cards-modal-actions-gap);justify-content:flex-end;display:flex}.cards-modal-delete{color:var(--danger)}.cards-modal-delete:hover{color:var(--danger);opacity:var(--opacity-hover-dim)}.settings-view,.login-view{max-width:560px;padding:var(--page-padding-y);height:100%;margin:0 auto;overflow-y:auto}.login-view{flex-direction:column;justify-content:center;max-width:420px;display:flex}.settings-view h1,.login-card h1{font-family:var(--font-display);letter-spacing:.06em;text-transform:uppercase;margin-bottom:var(--settings-heading-margin-bottom);font-size:2rem;font-weight:700}.settings-section,.login-card{padding:var(--section-padding-y) var(--space-0);border-bottom:1px solid var(--line-dark);background:0 0}.settings-section:last-child,.login-card{border-bottom:none}.settings-section h2{font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;margin-bottom:var(--settings-section-heading-margin-bottom);color:var(--ink-soft);font-size:1.1rem;font-weight:600}.profile{align-items:center;gap:var(--settings-profile-gap);margin-bottom:var(--settings-profile-margin-bottom);padding-bottom:var(--settings-profile-padding-bottom);border-bottom:1px dotted var(--line);display:flex}.profile-avatar{border:1px solid var(--line-dark);width:56px;height:56px;font-family:var(--font-display);color:var(--accent);background:0 0;border-radius:0;flex-shrink:0;justify-content:center;align-items:center;font-size:1.5rem;font-weight:700;display:flex}.profile-meta{color:var(--ink-muted);font-size:.82rem;font-style:italic}.profile-form label,.login-card label{font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:var(--settings-label-margin-bottom);margin-top:var(--settings-label-margin-top);font-size:.75rem;display:block}.login-card .btn-primary{width:100%;margin-top:var(--settings-login-btn-margin-top)}.login-subtitle{color:var(--ink-muted);margin-bottom:var(--settings-login-subtitle-margin-bottom);font-size:.88rem;font-style:italic}.user-badge{padding:var(--settings-user-badge-padding-y) var(--space-0);margin-bottom:var(--settings-user-badge-margin-bottom);background:0 0;font-size:.9rem}.error{color:var(--danger);margin-top:var(--settings-error-margin-top);font-size:.85rem;font-style:italic}.success{color:var(--correction);font-size:.85rem;font-style:italic}.btn-primary,.btn-secondary{padding:var(--btn-primary-padding-y) var(--space-0);cursor:pointer;font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;background:0 0;border:none;border-radius:0;font-size:.95rem;font-weight:600}.btn-primary{color:var(--accent);text-underline-offset:.18em;text-decoration:underline;text-decoration-thickness:1px}.btn-primary:hover:not(:disabled){color:var(--accent-hover)}.btn-primary:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.btn-secondary{color:var(--ink-muted);text-decoration:none}.btn-secondary:hover:not(:disabled){color:var(--ink)}.btn-secondary:disabled{opacity:var(--opacity-disabled);cursor:not-allowed}.link-btn{text-align:left;margin-top:var(--settings-link-margin-top);display:inline-block}.logout-btn{margin-top:var(--settings-logout-margin-top)}.settings-hint{color:var(--ink-muted);margin-top:var(--settings-hint-margin-top);font-size:.85rem;font-style:italic;line-height:1.6}.settings-toggle{align-items:center;gap:var(--settings-toggle-gap);font-family:var(--font-display);letter-spacing:.06em;color:var(--ink-soft);cursor:pointer;-webkit-user-select:none;user-select:none;font-size:.95rem;display:flex}.settings-toggle input{width:1rem;height:1rem;accent-color:var(--accent);cursor:pointer}.theme-picker{gap:var(--theme-picker-gap);flex-direction:column;display:flex}.theme-option{align-items:center;gap:var(--theme-option-gap);padding:var(--theme-option-padding-y) var(--space-0);border:none;border-bottom:1px dotted var(--line);cursor:pointer;text-align:left;color:inherit;background:0 0;width:100%;font-family:inherit;display:flex}.theme-option:last-child{border-bottom:none}.theme-option:hover,.theme-option--active{color:var(--accent)}.theme-option-swatches{gap:var(--theme-swatch-gap);flex-shrink:0;display:flex}.theme-option-swatch{border:1px solid var(--line-dark);width:14px;height:14px}.theme-option-label{font-family:var(--font-display);letter-spacing:.06em;font-size:.95rem}.theme-option-desc{color:var(--ink-muted);margin-top:var(--theme-option-desc-margin-top);font-size:.78rem;font-style:italic;display:block}@media (width<=768px){.nav-brand-logo{height:1.1rem}.nav-brand-title{font-size:1.6rem}}