:root{--ink-950: #070a10;--ink-900: #0b1018;--ink-850: #0e1520;--ink-800: #121a28;--ink-700: #1a2436;--ink-600: #243044;--signal-400: #7dd3fc;--signal-500: #38bdf8;--signal-600: #0284c7;--signal-700: #0369a1;--signal-bubble-dark: #0f3344;--signal-bubble-mid: #134a5c;--neutral-50: #f8fafc;--neutral-100: #f1f5f9;--neutral-200: #e2e8f0;--neutral-300: #cbd5e1;--neutral-400: #94a3b8;--neutral-500: #64748b;--neutral-600: #475569;--neutral-700: #334155;--danger-500: #ef4444;--danger-soft: #3f1a1a;--danger-border: #7f2a2a;--ok-500: #10b981;--ok-soft: #0f2a22;--ok-border: #1f5c48;--warn-500: #f59e0b;--info-500: #38bdf8;--font-family: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--font-display: "Outfit", "Plus Jakarta Sans", ui-sans-serif, system-ui, sans-serif;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-size-caption: 12px;--font-size-body-sm: 14px;--font-size-body: 16px;--font-size-title: 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16px;--space-thread-x: 24px}:root,[data-theme=dark],[data-theme=oled],[data-theme=emerald]{--color-bg-primary: var(--ink-950);--color-bg-secondary: var(--ink-900);--color-surface-primary: var(--ink-800);--color-surface-hover: var(--ink-700);--color-surface-selected: color-mix(in srgb, var(--signal-600) 16%, var(--ink-800));--color-text-primary: var(--neutral-100);--color-text-secondary: var(--neutral-400);--color-text-disabled: var(--neutral-600);--color-text-on-accent: #041018;--color-accent-primary: var(--signal-500);--color-accent-hover: var(--signal-400);--color-accent-pressed: var(--signal-600);--color-border-subtle: #182233;--color-border-strong: var(--ink-600);--color-status-success: var(--ok-500);--color-status-warning: var(--warn-500);--color-status-danger: var(--danger-500);--color-status-info: var(--info-500);--color-bg-canvas: var(--color-bg-primary);--color-bg-panel: var(--color-bg-secondary);--color-bg-elevated: var(--color-surface-primary);--color-bg-input: var(--ink-850);--color-fg: var(--color-text-primary);--color-fg-muted: var(--color-text-secondary);--color-fg-subtle: var(--neutral-500);--color-border: var(--color-border-strong);--color-accent: var(--color-accent-primary);--color-accent-fg: var(--color-text-on-accent);--color-bubble-out: var(--signal-bubble-dark);--color-bubble-out-fg: var(--neutral-50);--color-bubble-in: var(--ink-700);--color-danger: var(--color-status-danger);--color-ok: var(--color-status-success);--focus-ring: var(--color-accent-primary);--brand-ink: var(--ink-950);--brand-ink-mid: var(--ink-900);--brand-surface: var(--ink-800);--brand-signal: var(--signal-500);--brand-signal-deep: var(--signal-600);--brand-bridge: var(--signal-400);--brand-cyan: var(--signal-500);--brand-green: var(--ok-500);--bg-dark: var(--color-bg-canvas);--bg-sidebar: var(--color-bg-panel);--bg-surface: var(--color-bg-elevated);--bg-surface-elevated: var(--ink-700);--bg-bubble-incoming: var(--color-bubble-in);--bg-bubble-outgoing: var(--color-bubble-out);--border-color: var(--color-border);--border-subtle: var(--color-border-subtle);--text-primary: var(--color-fg);--text-secondary: var(--color-fg-muted);--text-muted: var(--color-fg-subtle);--text-accent: var(--color-accent);--danger: var(--color-danger);--success-soft: var(--ok-soft);--success-border: var(--ok-border)}[data-theme=light]{--color-bg-primary: #f4f6f8;--color-bg-secondary: #ffffff;--color-surface-primary: #eef1f4;--color-surface-hover: #e2e8f0;--color-surface-selected: color-mix(in srgb, var(--signal-600) 12%, #eef1f4);--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-disabled: #94a3b8;--color-text-on-accent: #ffffff;--color-accent-primary: var(--signal-600);--color-accent-hover: var(--signal-500);--color-accent-pressed: var(--signal-700);--color-border-subtle: #e8edf2;--color-border-strong: #d0d7e0;--color-status-success: var(--ok-500);--color-status-warning: var(--warn-500);--color-status-danger: var(--danger-500);--color-status-info: var(--signal-600);--color-bg-canvas: var(--color-bg-primary);--color-bg-panel: var(--color-bg-secondary);--color-bg-elevated: var(--color-surface-primary);--color-bg-input: #eef1f4;--color-fg: var(--color-text-primary);--color-fg-muted: var(--color-text-secondary);--color-fg-subtle: #64748b;--color-border: var(--color-border-strong);--color-accent: var(--color-accent-primary);--color-accent-fg: var(--color-text-on-accent);--color-bubble-out: var(--signal-bubble-mid);--color-bubble-out-fg: var(--neutral-50);--color-bubble-in: #ffffff;--color-danger: var(--color-status-danger);--color-ok: var(--color-status-success);--focus-ring: var(--color-accent-primary);--brand-ink: #f4f6f8;--brand-ink-mid: #ffffff;--brand-surface: #eef1f4;--brand-signal: var(--signal-600);--brand-signal-deep: var(--signal-600);--brand-bridge: var(--signal-500);--brand-cyan: var(--signal-600);--brand-green: var(--ok-500);--bg-dark: var(--color-bg-canvas);--bg-sidebar: var(--color-bg-panel);--bg-surface: var(--color-bg-elevated);--bg-surface-elevated: #e2e8f0;--bg-bubble-incoming: var(--color-bubble-in);--bg-bubble-outgoing: var(--color-bubble-out);--border-color: var(--color-border);--border-subtle: var(--color-border-subtle);--text-primary: var(--color-fg);--text-secondary: var(--color-fg-muted);--text-muted: var(--color-fg-subtle);--text-accent: var(--color-accent);--danger: var(--color-danger);--danger-soft: #fee2e2;--danger-border: #fca5a5;--success-soft: #d1fae5;--success-border: #6ee7b7}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{min-height:100%;scrollbar-gutter:stable}body{min-height:100%;font-family:var(--font-family);font-size:var(--type-body);line-height:var(--leading-body);background-color:var(--color-bg-canvas);color:var(--color-fg);-webkit-font-smoothing:antialiased;overflow-x:hidden}#root{min-height:100%}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;transition:opacity var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}button:active{opacity:.88}button:disabled{cursor:not-allowed;opacity:.45}input,select,textarea{font-family:inherit;font-size:var(--type-body);color:var(--color-fg);background:var(--color-bg-input);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);padding:10px 12px;min-height:var(--touch-min);outline:none;transition:border-color var(--transition-fast)}input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:2px}input::placeholder{color:var(--color-fg-subtle)}img{max-width:100%;display:block}ul,ol{list-style:none}a{color:var(--color-accent)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-pill)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100px;left:var(--space-4);z-index:10000;padding:10px 14px;background:var(--color-bg-elevated);color:var(--color-fg);border:1px solid var(--color-accent);border-radius:var(--radius-md);font-weight:700;font-size:var(--type-body);text-decoration:none}.skip-link:focus{top:var(--space-4)}.field-label{display:block;font-size:var(--type-xs);font-weight:600;color:var(--color-fg-muted);margin-bottom:var(--space-1)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}html[lang=ar],html[lang=fa],html[lang=ur],html[lang=he]{font-family:Noto Sans Arabic,Noto Sans Hebrew,system-ui,Segoe UI,sans-serif}.bubble-primary,.message-text{min-height:1.25em;line-height:1.45}.app-container{display:flex;flex-direction:column;height:100vh;height:100dvh;min-height:0;overflow:hidden;background:var(--color-bg-canvas);color:var(--color-fg)}.app-layout{display:flex;flex:1;min-height:0;width:100%;overflow:hidden;background:var(--color-bg-canvas);color:var(--color-fg)}.boot-screen{min-height:100vh;width:100%;display:grid;place-items:center;background:var(--color-bg-canvas);color:var(--color-fg-muted)}.boot-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);font-family:var(--font-display);font-size:var(--type-sm);font-weight:600}.boot-spinner{width:28px;height:28px;border-radius:50%;border:2px solid var(--color-border);border-top-color:var(--color-accent);animation:bootSpin .7s linear infinite}@keyframes bootSpin{to{transform:rotate(360deg)}}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.runtime-banner{flex-shrink:0;padding:8px var(--space-4);font-size:var(--type-xs);text-align:center;background:var(--color-bg-elevated);border-bottom:1px solid var(--color-border-subtle);color:var(--color-fg-muted);line-height:1.4}.runtime-banner-warn{color:var(--color-accent)}.toast{position:fixed;bottom:var(--space-5);left:50%;transform:translate(-50%);z-index:2000;padding:10px 16px;border-radius:var(--radius-md);background:var(--color-bg-elevated);border:1px solid var(--color-border);color:var(--color-fg);font-size:var(--type-sm);font-weight:600;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}.sidebar-panel{width:var(--sidebar-width);flex-shrink:0;display:flex;flex-direction:column;min-height:0;background:var(--color-bg-panel);border-right:1px solid 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var(--space-1);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--color-fg-subtle)}.sidebar-search-row{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4) var(--space-3)}.sidebar-search-box{flex:1;position:relative;display:flex;align-items:center}.sidebar-search-box .search-icon{position:absolute;left:12px;color:var(--color-fg-subtle);pointer-events:none}.sidebar-search-box input{width:100%;padding-left:36px;height:var(--touch-min);background:var(--color-bg-input);border:1px solid var(--color-border-subtle)}.add-contact-btn,.discovery-open-btn,.compact-text-btn{min-width:var(--touch-min);min-height:var(--touch-min);padding:0 12px;border-radius:var(--radius-md);background:var(--color-bg-elevated);border:1px solid var(--color-border-subtle);color:var(--color-fg-muted);display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--type-sm)}.add-contact-btn:hover,.discovery-open-btn:hover,.compact-text-btn:hover{color:var(--color-fg);border-color:var(--color-border)}.discovery-open-btn{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-accent-fg)}.discovery-open-btn:hover{color:var(--color-accent-fg);filter:brightness(1.05)}.compact-select{min-height:36px;padding:6px 8px;font-size:var(--type-xs);font-weight:600;background:var(--color-bg-input);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);color:var(--color-fg-muted)}.contacts-scroll{flex:1;overflow-y:auto;min-height:0}button.contact-row{width:100%;display:flex;align-items:center;gap:var(--space-3);min-height:72px;padding:12px 16px;text-align:left;font:inherit;color:inherit;border:none;border-bottom:1px solid var(--color-border-subtle);background:transparent;cursor:pointer}.contact-row-avatar{width:46px;height:46px}.contact-row:hover:not(.active):not(:disabled){background:var(--color-surface-hover, var(--color-bg-elevated))}.contact-row:active:not(:disabled){background:var(--color-surface-hover, var(--color-bg-elevated));filter:brightness(.96)}.contact-row:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:-2px;z-index:1}.contact-row.active{background:var(--color-surface-selected)}.contact-row.active:hover{background:color-mix(in srgb,var(--color-accent-primary) 8%,var(--color-surface-selected))}.contact-row:disabled{opacity:.45;cursor:not-allowed;pointer-events:none}.contact-row.has-unread:not(.active) .contact-time{color:var(--color-accent);font-weight:600}.avatar-wrapper{position:relative;flex-shrink:0}.avatar-img{width:44px;height:44px;border-radius:var(--radius-pill);object-fit:cover;background:var(--color-bg-elevated)}.status-dot{position:absolute;right:0;bottom:0;width:10px;height:10px;border-radius:50%;background:var(--color-ok);border:2px solid var(--color-bg-panel)}.status-dot.offline{background:var(--color-fg-subtle)}.contact-details{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.contact-meta-top,.contact-meta-bottom{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);min-width:0}.contact-name{font-weight:var(--font-weight-medium, 500);font-size:var(--font-size-title, var(--type-body));line-height:var(--line-height-title, 24px);color:var(--color-fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.contact-row.has-unread .contact-name{font-weight:800}.contact-time{font-size:var(--type-xs);color:var(--color-fg-subtle);flex-shrink:0}.contact-snippet{display:flex;align-items:center;gap:4px;min-width:0;flex:1;font-size:var(--type-sm);color:var(--color-fg-muted)}.contact-snippet-text{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-delivery{flex-shrink:0;opacity:.75;color:var(--color-fg-subtle)}.list-delivery-read{color:var(--color-accent);opacity:1}.list-delivery-failed{color:var(--color-danger, #f87171);font-weight:700;font-size:12px}.list-delivery-sending{font-size:12px;letter-spacing:.04em}.unread-badge{min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-pill);background:var(--color-accent);color:var(--color-accent-fg);font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.list-offline-hint{padding:10px 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var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-accent);font-size:var(--type-xs);font-weight:600;cursor:pointer}.list-error-retry:disabled{opacity:.6;cursor:wait}.thread-skeleton{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-4)}.thread-skeleton-row{display:flex}.thread-skeleton-row.outgoing{justify-content:flex-end}.thread-skeleton-bubble{height:44px;border-radius:var(--radius-md);background:var(--color-bg-elevated);opacity:.85}.thread-skeleton-bubble.short{width:42%}.thread-skeleton-bubble.mid{width:56%}.thread-skeleton-bubble.long{width:68%}.bubble-connection-wait{margin-top:4px;font-size:var(--type-xs);color:var(--color-fg-muted);line-height:1.35}.modal-body-text,.modal-body-hint{margin:0 0 var(--space-3);font-size:var(--type-sm);line-height:1.45;color:var(--color-fg-muted)}.modal-body-text{color:var(--color-fg)}@media(min-width:1024px){.empty-state-cta-stack{display:none}}.list-empty-title{margin:0;font-weight:700;font-size:var(--type-body);color:var(--color-fg)}.list-empty-body{margin:0;max-width:32ch;line-height:1.45;color:var(--color-fg-muted);font-size:var(--type-sm)}.list-skeleton{display:flex;flex-direction:column}.list-skeleton-row{display:flex;align-items:center;gap:var(--space-3);min-height:76px;padding:12px 16px}.list-skeleton-avatar{width:50px;height:50px;border-radius:var(--radius-pill);background:var(--color-bg-elevated)}.list-skeleton-lines{flex:1;display:flex;flex-direction:column;gap:8px}.list-skeleton-line{height:12px;border-radius:var(--radius-sm);background:var(--color-bg-elevated)}.list-skeleton-line.short{width:42%}.list-skeleton-line.long{width:72%}.contact-lang-badge{font-size:11px;color:var(--color-fg-subtle)}.list-empty{padding:var(--space-5) var(--space-4);text-align:center;color:var(--color-fg-muted);font-size:var(--type-sm);display:flex;flex-direction:column;gap:var(--space-3);align-items:center}.sidebar-footer{padding:var(--space-3) var(--space-4) var(--space-4);border-top:1px solid var(--color-border-subtle);display:flex;flex-direction:column;gap:var(--space-2)}.user-chip{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2);border-radius:var(--radius-md);text-align:left;width:100%}.user-chip:hover{background:var(--color-bg-elevated)}.user-chip-avatar{width:36px;height:36px;border-radius:var(--radius-pill);object-fit:cover}.user-chip-name{font-size:var(--type-sm);font-weight:700;color:var(--color-fg)}.user-chip-edit{font-size:11px;color:var(--color-accent)}.account-footer-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.logout-btn{min-height:var(--touch-min);padding:10px 14px;font-size:var(--type-xs);font-weight:600;border-radius:var(--radius-md);background:var(--danger-soft);color:var(--color-danger);border:1px solid var(--danger-border)}.logout-btn:hover{background:var(--color-danger);color:var(--color-fg)}.main-chat-view{flex:1;min-width:0;display:grid;grid-template-rows:auto 1fr auto;background:var(--color-bg-canvas);position:relative;min-height:0}.main-chat-view>.empty-state{grid-row:1 / -1}.chat-thread-slot{min-height:0;position:relative;display:flex;flex-direction:column}.chat-thread-slot .messages-area{flex:1;min-height:0}.chat-header-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:10px var(--space-4);min-height:var(--header-height);background:var(--color-bg-panel);border-bottom:1px solid var(--color-border-subtle)}.chat-header-leading{display:flex;align-items:center;gap:var(--space-2);min-width:0;flex:1}.chat-header-trailing{display:flex;align-items:center;gap:4px;flex-shrink:0}.chat-header-search-mode{gap:var(--space-2)}.chat-thread-search-input{flex:1;min-width:0;min-height:var(--touch-min);padding:0 12px;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);background:var(--color-bg-input);color:var(--color-fg);font:inherit}.chat-thread-search-count{font-size:var(--type-xs);font-weight:700;color:var(--color-fg-muted);min-width:2.5ch;text-align:center}.chat-partner-info{display:flex;align-items:center;gap:var(--space-3);background:none;border:none;color:inherit;cursor:pointer;text-align:left;padding:0;min-height:var(--touch-min);min-width:0}.chat-header-avatar,.avatar-fallback{width:42px;height:42px;border-radius:var(--radius-pill);flex-shrink:0}.avatar-fallback{display:grid;place-items:center;background:var(--color-bg-elevated);color:var(--color-accent);font-weight:800;font-size:var(--type-sm);border:1px solid var(--color-border-subtle)}.chat-partner-text{min-width:0}.chat-partner-name-row{display:flex;align-items:center;gap:var(--space-2)}.chat-partner-name{font-size:16px;font-weight:700;font-family:var(--font-display);letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;max-width:42vw}.chat-partner-status{font-size:var(--type-xs);color:var(--color-fg-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-partner-status.is-online,.chat-partner-status.is-typing{color:var(--color-ok)}.chat-header-search-btn{display:none;place-items:center;min-width:var(--touch-min);min-height:var(--touch-min);border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-fg-muted);cursor:pointer}.chat-header-search-btn:hover{color:var(--color-fg);background:var(--color-bg-elevated)}.chat-header-menu-wrap{position:relative}.chat-header-menu{position:absolute;top:calc(100% + 4px);right:0;z-index:40;min-width:200px;padding:6px;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);background:var(--color-bg-elevated);display:flex;flex-direction:column;gap:2px}.chat-header-menu button{min-height:var(--touch-min);padding:0 12px;text-align:left;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-fg);font-size:var(--type-sm);font-weight:600;cursor:pointer}.chat-header-menu button:hover{background:var(--color-bg-panel)}.chat-header-menu button.is-danger{color:var(--color-danger)}.chat-header-menu-sep{height:1px;margin:4px 0;background:var(--color-border-subtle)}.bubble-group.is-search-hit .bubble{outline:2px solid var(--color-accent);outline-offset:2px}@media(min-width:1024px){.chat-header-search-btn{display:grid}.chat-partner-name{max-width:280px}}.chat-header-more{display:grid;place-items:center;min-width:var(--touch-min);min-height:var(--touch-min);border:none;background:none;color:var(--color-fg-muted);font-size:1.25rem;line-height:1;cursor:pointer}.chat-header-more:hover{color:var(--color-fg)}.list-empty-cta{display:flex;flex-direction:column;align-items:center;gap:var(--space-4);padding:var(--space-5) var(--space-4);text-align:center}.list-empty-cta p{margin:0;max-width:28ch;line-height:1.4}.bubble-context-menu{display:flex;flex-direction:column;gap:2px;margin-top:8px;padding:6px;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);background:var(--color-bg-elevated)}.bubble-context-menu button{min-height:var(--touch-min);padding:0 12px;text-align:left;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-fg);font-size:var(--type-sm);font-weight:600;cursor:pointer}.bubble-context-menu button:hover{background:var(--color-bg-panel)}.mobile-back-btn{display:none;min-width:var(--touch-min);min-height:var(--touch-min);align-items:center;justify-content:center;border-radius:var(--radius-md);color:var(--color-fg-muted)}.messages-scroll,.messages-area{flex:1;min-height:0;overflow-y:auto;padding:var(--space-5) var(--space-thread-x, var(--space-5));display:flex;flex-direction:column;background-color:var(--color-bg-canvas)}.messages-column{width:100%;max-width:var(--content-max-width, 920px);margin:0 auto;display:flex;flex-direction:column;gap:var(--space-bubble-group, 12px);flex:1}.date-separator{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) 0}.date-separator:before,.date-separator:after{content:"";flex:1;height:1px;background:var(--color-border-subtle)}.date-separator-label{font-size:var(--type-xs);font-weight:600;color:var(--color-fg-subtle)}.bubble-group{display:flex;flex-direction:column;max-width:min(65%,480px);width:fit-content;position:relative;animation:bubbleIn .22s ease}.bubble-group.outgoing{align-self:flex-end}.bubble-group.incoming{align-self:flex-start}.bubble-group.consecutive{margin-top:calc(-1 * var(--space-bubble-group, 12px) + var(--space-bubble-tight, 4px))}@keyframes bubbleIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.bubble{position:relative;padding:var(--space-3) 14px;border-radius:var(--radius-lg);font-size:var(--font-size-body, 16px);font-weight:var(--font-weight-regular, 400);line-height:var(--line-height-body, 24px);letter-spacing:-.01em;width:fit-content;max-width:100%}.bubble.outgoing{background:var(--color-bubble-out);color:var(--color-bubble-out-fg, var(--neutral-50));border-end-end-radius:var(--radius-xs)}.bubble.incoming{background:var(--color-bubble-in);color:var(--color-fg);border:1px solid var(--color-border-subtle);border-end-start-radius:var(--radius-xs)}.bubble-alt-toggle{display:inline-flex;align-items:center;min-height:var(--touch-min, 44px);margin-block-start:var(--space-1, 4px);padding-inline:var(--space-2, 8px);border:none;border-radius:var(--radius-sm);background:transparent;color:inherit;opacity:.85;font-size:var(--type-xs, 12px);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:2px}.bubble-alt-toggle:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:2px}.bubble-more-btn{display:none;position:absolute;top:4px;inset-inline-end:4px;min-width:32px;min-height:32px;place-items:center;border:none;border-radius:var(--radius-sm);background:transparent;color:inherit;opacity:.55;cursor:pointer;font-size:1rem;line-height:1}.bubble-group:hover .bubble-more-btn,.bubble-group:focus-within .bubble-more-btn,.bubble-more-btn:focus-visible{display:grid;opacity:.9}.bubble-more-btn:hover,.bubble-more-btn:focus-visible{background:#0000001f;outline:none}.bubble.incoming .bubble-more-btn:hover{background:var(--color-bg-elevated)}.original-label{font-weight:700;margin-right:4px;opacity:.85}.bubble-author{display:flex;align-items:center;gap:6px;margin-bottom:6px;font-size:var(--type-xs)}.bubble-author-name{font-weight:700;color:var(--color-accent)}.bubble-author-time{color:var(--color-fg-subtle)}.bubble-primary{font-weight:var(--font-weight-regular, 400);color:inherit}.bubble-alt-toggle{margin-top:6px;padding:0;min-height:auto;font-size:var(--type-xs);font-weight:600;color:var(--color-fg-muted);background:none;border:none;text-decoration:underline;text-underline-offset:2px;cursor:pointer}.bubble-alt-toggle:hover{color:var(--color-fg)}.bubble-send-fail{margin-top:4px;font-size:var(--type-xs);color:var(--color-danger);line-height:1.35}.translation-line{margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.18);font-size:13px;display:flex;align-items:flex-start;gap:8px;color:#e2e8f0}.translation-line.incoming-line{color:var(--color-fg-muted);border-top-color:var(--color-border-subtle);flex-wrap:wrap}.translation-retry-btn{margin-left:auto;min-height:32px;padding:4px 10px;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);background:var(--color-bg-elevated);color:var(--color-accent);font-size:var(--type-xs);font-weight:600}.translation-retry-btn:hover{border-color:var(--color-accent)}.bubble-meta{display:flex;align-items:center;justify-content:flex-end;gap:6px;margin-top:6px;font-size:11px;color:#fffc}.bubble.incoming .bubble-meta{color:var(--color-fg-subtle)}.translation-feedback{display:inline-flex;gap:2px}.feedback-btn{opacity:.55;padding:2px}.feedback-btn.active,.feedback-btn:hover{opacity:1}.msg-status-icon{display:inline-flex;opacity:.85}.msg-status-icon.read{color:#bfdbfe}.msg-status-icon.failed{color:#fecaca;font-weight:700}.chat-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:var(--space-3);text-align:center;color:var(--color-fg-muted);padding:var(--space-6)}.chat-welcome-mark{color:var(--color-accent)}.chat-welcome-title{font-family:var(--font-display);font-size:var(--type-lg);font-weight:700;letter-spacing:-.02em;color:var(--color-fg)}.chat-welcome-desc{font-size:var(--type-sm);max-width:36ch;line-height:1.5}.quick-starter-chips{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center;margin-top:var(--space-2)}.quick-chip{min-height:var(--touch-min);padding:8px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-bg-elevated);color:var(--color-fg-muted);font-size:var(--type-sm);font-weight:600}.quick-chip:hover{color:var(--color-fg);border-color:var(--color-accent)}.scroll-to-bottom{position:absolute;right:var(--space-5);bottom:100px;min-width:var(--touch-min);min-height:var(--touch-min);border-radius:var(--radius-md);background:var(--color-bg-elevated);border:1px solid var(--color-border);color:var(--color-fg-muted);display:grid;place-items:center;z-index:10}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-5);color:var(--color-fg-muted);text-align:center}.empty-state-title{margin:0;font-weight:700;font-size:var(--type-lg, 1.125rem);color:var(--color-fg)}.empty-state-body{margin:0;max-width:36ch;line-height:1.45;font-size:var(--type-sm)}.composer-bar{display:flex;flex-wrap:wrap;align-items:flex-end;gap:var(--space-2);padding:10px var(--space-4);padding-bottom:calc(10px + env(safe-area-inset-bottom,0px));background:var(--color-bg-panel);border-top:1px solid var(--color-border-subtle)}.composer-offline-hint{flex:1 1 100%;margin:0;font-size:var(--type-xs);color:var(--color-fg-muted)}.composer-auto-translate-coach{flex:1 1 100%;margin:0;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--color-accent) 35%,var(--color-border));background:color-mix(in srgb,var(--color-accent) 8%,var(--color-surface));font-size:var(--type-sm);line-height:1.4;color:var(--color-fg)}.composer-limit-warn{flex:1 1 100%;font-size:var(--type-xs);color:var(--color-danger);font-weight:600}.composer-input{flex:1;min-width:0;min-height:var(--touch-min);max-height:none;padding:10px 12px;border-radius:var(--radius-md);background:var(--color-bg-input);border:1px solid var(--color-border-subtle);color:var(--color-fg);font:inherit;font-size:var(--type-body);line-height:1.4;resize:none;overflow-y:hidden;field-sizing:content}.composer-input:focus{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:1px;border-color:var(--color-border)}.composer-input:disabled{opacity:.55}.composer-mic-btn,.composer-send-btn,.voice-play-btn{min-width:var(--touch-min);min-height:var(--touch-min);border-radius:var(--radius-md);display:grid;place-items:center;flex-shrink:0}.composer-mic-btn{background:var(--color-bg-elevated);border:1px solid var(--color-border-subtle);color:var(--color-fg-muted)}.composer-mic-btn.active{color:var(--color-accent);border-color:var(--color-accent)}.composer-send-btn{padding:0;font-weight:var(--font-weight-medium, 500);font-size:1.15rem;line-height:1;background:var(--color-accent-primary, var(--color-accent));color:var(--color-accent-fg);border:1px solid var(--color-accent-primary, var(--color-accent))}.composer-send-btn:hover:not(:disabled){background:var(--color-accent-hover, var(--color-accent));border-color:var(--color-accent-hover, var(--color-accent))}.composer-send-btn:disabled{opacity:.4;background:transparent;color:var(--color-fg-subtle);border-color:var(--color-border-subtle)}.composer-bar.is-recording{gap:var(--space-2)}.composer-bar.is-offline .composer-input{border-color:color-mix(in srgb,var(--color-danger) 35%,var(--color-border-subtle))}.recording-pill{flex:1;min-height:var(--touch-min);border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:var(--type-sm);font-weight:700;color:var(--color-fg);background:var(--color-bg-elevated);border:1px solid var(--color-border)}.voice-bubble-content{display:flex;gap:10px;align-items:flex-start}.voice-play-btn{background:#0003;border:1px solid rgba(255,255,255,.15);color:inherit}.voice-waveform{display:flex;align-items:center;gap:3px;height:18px}.voice-waveform-bar{width:3px;border-radius:2px;background:#ffffffbf;height:8px}.voice-waveform.is-playing .voice-waveform-bar{animation:wavePulse 1.1s infinite ease-in-out}.voice-waveform-bar:nth-child(2){animation-delay:.1s;height:14px}.voice-waveform-bar:nth-child(3){animation-delay:.2s;height:10px}.voice-waveform-bar:nth-child(4){animation-delay:.3s;height:16px}.voice-waveform-bar:nth-child(5){animation-delay:.4s;height:9px}@keyframes wavePulse{0%,to{transform:scaleY(.55)}50%{transform:scaleY(1.15)}}.voice-duration{font-size:11px;opacity:.8}.typing-indicator{display:inline-flex;align-items:center;gap:6px;font-size:var(--type-xs);color:var(--color-fg-muted)}.typing-dots{display:inline-flex;gap:3px}.typing-dot{width:4px;height:4px;border-radius:50%;background:var(--color-accent);animation:typingFade 1.2s infinite ease-in-out}.typing-dot:nth-child(2){animation-delay:.15s}.typing-dot:nth-child(3){animation-delay:.3s}@keyframes typingFade{0%,to{opacity:.35}50%{opacity:1}}.auth-screen{position:relative;z-index:20;min-height:100vh;min-height:100dvh;display:flex;align-items:flex-start;justify-content:center;padding:var(--space-6) var(--space-5) var(--space-8);background:var(--color-bg-canvas);overflow:auto}@media(min-height:640px){.auth-screen{padding-top:clamp(var(--space-6),6vh,var(--space-10))}}.auth-atmosphere{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse 70% 45% at 50% -5%,rgba(56,189,248,.12),transparent 58%),linear-gradient(180deg,var(--ink-950),var(--ink-900))}[data-theme=light] .auth-atmosphere{background:radial-gradient(ellipse 70% 45% at 50% -5%,rgba(2,132,199,.1),transparent 58%),linear-gradient(180deg,#f4f6f8,#fff)}.auth-stage{position:relative;z-index:1;width:min(440px,100%);display:flex;flex-direction:column;gap:var(--space-4);animation:authIn .4s ease both}.auth-terms-label{display:flex;gap:var(--space-3);align-items:flex-start;font-size:var(--type-sm);color:var(--color-fg);line-height:1.45;padding:var(--space-1) 0;cursor:pointer}.auth-terms-label input[type=checkbox]{flex:0 0 auto;width:1.25rem;height:1.25rem;margin-top:.1rem;accent-color:var(--color-accent);cursor:pointer}.auth-legal-link{color:var(--color-accent);text-decoration:underline;text-underline-offset:2px}.legal-doc-screen{position:relative;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;padding:var(--space-6) var(--space-5) var(--space-8);background:var(--color-bg-canvas);color:var(--color-fg)}.legal-doc-container{position:relative;z-index:1;width:min(760px,100%);display:flex;flex-direction:column;gap:var(--space-5);animation:authIn .3s ease both}.legal-doc-header{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-2)}.legal-doc-title{font-family:var(--font-display);font-size:clamp(1.75rem,4vw,2.4rem);font-weight:800;letter-spacing:-.03em;color:var(--color-fg);margin:0}.legal-doc-updated{font-size:var(--type-sm);color:var(--color-fg-muted);font-weight:500}.legal-doc-body{display:flex;flex-direction:column;gap:var(--space-5);padding:var(--space-7);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);font-size:var(--type-sm);line-height:1.7;color:var(--color-fg);text-align:start}.legal-doc-intro{font-weight:500;color:var(--color-fg-muted)}.legal-doc-section{display:flex;flex-direction:column;gap:var(--space-2)}.legal-doc-h2{font-size:var(--type-body);font-weight:700;margin:var(--space-2) 0 0}.legal-home-link{display:inline-flex;color:inherit;text-decoration:none;min-height:var(--touch-min);align-items:center}.legal-home-btn{align-self:center;width:auto;min-width:12rem;padding-inline:var(--space-5)}@keyframes authIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.auth-brand-hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--space-2)}.auth-brand-mark{color:var(--color-accent)}.auth-brand-name{font-family:var(--font-display);font-size:clamp(1.75rem,4vw,var(--type-display));font-weight:800;letter-spacing:-.04em;line-height:1.05;color:var(--color-fg)}.auth-brand-tagline{max-width:34ch;font-size:var(--type-body);font-weight:600;line-height:1.35;color:var(--color-fg)}.auth-brand-support{max-width:36ch;font-size:var(--type-sm);line-height:1.45;color:var(--color-fg-muted)}.auth-form{width:100%;max-width:440px;display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-6);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:0 6px 20px #0003}.auth-lang-select{align-self:flex-start}.auth-title{font-family:var(--font-display);font-size:1.35rem;font-weight:800;letter-spacing:-.02em}.auth-subtitle,.auth-local-hint{font-size:var(--type-sm);color:var(--color-fg-muted)}.auth-local-hint{color:var(--color-accent)}.auth-switch{text-align:center;font-size:var(--type-sm);color:var(--color-fg-muted)}.auth-switch-btn{color:var(--color-accent);font-weight:700;text-decoration:underline;text-underline-offset:3px}.auth-back-link{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;min-height:var(--touch-min);padding:4px 0;background:transparent;border:none;color:var(--color-fg-muted);font-size:var(--type-sm);font-weight:600;cursor:pointer;transition:color .15s}.auth-back-link:hover{color:var(--color-fg)}.auth-top-bar{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:calc(-1 * var(--space-2))}.onboarding-stage{width:min(440px,100%)}.onboarding-step{font-size:var(--type-sm);color:var(--color-fg-muted);font-weight:500}.onboarding-panel{display:flex;flex-direction:column;gap:var(--space-3)}.onboarding-device-suggest{display:flex;flex-direction:column;gap:var(--space-3);font-size:var(--type-sm);color:var(--color-fg-muted)}.onboarding-lang-list{display:flex;flex-direction:column;gap:var(--space-2);max-height:min(40vh,320px);overflow:auto;padding:var(--space-1) 0}.onboarding-lang-option{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);min-height:var(--touch-min);padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-fg);text-align:left}.onboarding-lang-option.selected{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 12%,var(--color-surface))}.onboarding-lang-native{font-weight:600}.onboarding-lang-en{font-size:var(--type-sm);color:var(--color-fg-muted)}.onboarding-skip{align-self:center;min-height:var(--touch-min);background:transparent;border:none;margin-top:var(--space-2)}.landing-page{position:relative;min-height:100vh;min-height:100dvh;overflow-x:clip;background:var(--color-bg-canvas);color:var(--color-fg)}.landing-atmosphere{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:var(--color-bg-canvas)}[data-theme=light] .landing-atmosphere{background:var(--color-bg-canvas)}.landing-nav{position:sticky;top:0;z-index:5;-webkit-backdrop-filter:none;backdrop-filter:none;background:color-mix(in srgb,var(--color-bg-canvas) 92%,transparent);border-bottom:1px solid var(--color-border);padding:calc(var(--space-3) + env(safe-area-inset-top,0px)) max(var(--space-4),env(safe-area-inset-inline-end,0px)) var(--space-3) max(var(--space-4),env(safe-area-inset-inline-start,0px))}.landing-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);width:100%}.landing-nav-actions-mobile{display:none;align-items:center;gap:var(--space-2)}.landing-mobile-menu-btn{display:inline-flex;align-items:center;min-height:var(--touch-min);padding:0 var(--space-2);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-fg-muted);font-size:var(--type-sm);font-weight:600;cursor:pointer;transition:border-color .15s,color .15s}.landing-mobile-menu-btn:hover{border-color:color-mix(in srgb,var(--color-accent) 40%,var(--color-border));color:var(--color-fg)}.landing-mobile-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000a6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.landing-mobile-menu-drawer{position:fixed;top:0;right:0;bottom:0;z-index:1001;width:min(320px,calc(100vw - 32px));height:100%;height:100dvh;background:var(--color-bg-canvas);border-left:1px solid var(--color-border);box-shadow:-8px 0 32px #0006;display:flex;flex-direction:column;padding:var(--space-5);gap:var(--space-4);overflow-y:auto}.landing-mobile-menu-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--space-3);border-bottom:1px solid var(--color-border)}.landing-mobile-menu-brand{display:flex;align-items:center;gap:var(--space-2)}.landing-mobile-menu-close{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;background:color-mix(in srgb,var(--color-fg-muted) 12%,transparent);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-fg);font-size:var(--type-xs);font-weight:700;cursor:pointer;transition:all .15s ease}.landing-mobile-menu-close:hover{background:color-mix(in srgb,var(--color-accent) 15%,transparent);color:var(--color-accent);border-color:color-mix(in srgb,var(--color-accent) 40%,var(--color-border))}.landing-mobile-menu-nav{display:flex;flex-direction:column;gap:var(--space-1)}.landing-mobile-menu-link{display:flex;align-items:center;min-height:44px;padding:0 var(--space-3);border-radius:var(--radius-md);background:transparent;border:none;color:var(--color-fg);font-size:var(--type-body);font-weight:600;cursor:pointer;text-align:left;width:100%;transition:background .15s,color .15s}.landing-mobile-menu-link:hover{background:color-mix(in srgb,var(--color-accent) 12%,transparent);color:var(--color-accent)}.landing-mobile-menu-divider{height:1px;background:var(--color-border);margin:var(--space-1) 0}.landing-mobile-menu-lang-row{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-1) 0}.landing-mobile-menu-lang-title{font-size:var(--type-xs);font-weight:700;color:var(--color-fg-muted);text-transform:uppercase;letter-spacing:.04em}.landing-mobile-menu-lang-row .landing-lang-label{display:flex;align-items:center;width:100%}.landing-mobile-menu-lang-row select{width:100%;min-height:44px}.landing-nav-brand{display:inline-flex;align-items:center;gap:var(--space-2);color:inherit;text-decoration:none;min-height:var(--touch-min)}.landing-nav-mark{color:var(--color-accent)}.landing-nav-wordmark{font-family:var(--font-display);font-weight:700;letter-spacing:-.03em}.landing-nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}@media(max-width:639px){.landing-nav-links,.landing-nav-cta{display:none}.landing-mobile-signin-btn{display:inline-flex}.landing-nav-actions-mobile{display:flex}}.landing-nav-link{min-height:var(--touch-min);padding:0 var(--space-2);background:transparent;border:none;color:color-mix(in srgb,var(--color-fg) 78%,var(--color-fg-muted));font-size:var(--type-sm);font-weight:600}.landing-nav-link:hover{color:var(--color-fg)}.landing-nav-cta{padding-inline:var(--space-3)}.landing-lang-label{display:inline-flex;align-items:center}.landing-lang{min-height:var(--touch-min);min-width:5.5rem}.landing-main{position:relative;z-index:1;width:min(1080px,100%);margin:0 auto;padding:var(--space-6) max(var(--space-4),env(safe-area-inset-inline-start,0px)) var(--space-8) max(var(--space-4),env(safe-area-inset-inline-end,0px));display:flex;flex-direction:column;gap:var(--space-8)}.landing-section,#how,#trust{scroll-margin-top:calc(4.75rem + env(safe-area-inset-top,0px))}@media(max-width:390px){.landing-main{padding-block:var(--space-5);gap:var(--space-6)}.landing-hero-actions .form-submit-btn{flex:1 1 100%}}.landing-hero{display:grid;gap:var(--space-6);align-items:center}@media(min-width:900px){.landing-hero{grid-template-columns:1.05fr 1fr;gap:var(--space-7)}}.landing-kicker{font-family:var(--font-display);font-size:var(--type-sm);font-weight:700;letter-spacing:-.02em;color:var(--color-accent);margin-bottom:var(--space-2)}.landing-hero-badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:6px 14px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--color-accent) 12%,var(--color-surface));border:1px solid color-mix(in srgb,var(--color-accent) 30%,transparent);color:var(--color-accent);font-size:var(--type-xs);font-weight:700;letter-spacing:.02em;margin-bottom:var(--space-3);align-self:flex-start}.landing-hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--color-accent);box-shadow:0 0 8px var(--color-accent)}.landing-headline{font-family:var(--font-display);font-size:clamp(2rem,4vw,2.75rem);font-weight:800;letter-spacing:-.04em;line-height:1.1;margin-bottom:var(--space-3)}.landing-lede{max-width:40ch;font-size:var(--type-body);line-height:1.5;color:var(--color-fg-muted);margin-bottom:var(--space-4)}.landing-hero-actions{display:flex;flex-wrap:wrap;gap:var(--space-3)}.landing-hero-highlights{display:flex;flex-wrap:wrap;gap:var(--space-3) var(--space-4);margin-top:var(--space-4);font-size:var(--type-xs);color:var(--color-fg-muted);font-weight:600}.landing-hero-highlight-item{display:inline-flex;align-items:center;gap:6px;color:color-mix(in srgb,var(--color-fg) 80%,var(--color-fg-muted))}.landing-demo{display:grid;gap:var(--space-3)}.landing-demo{display:grid;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-surface) 70%,transparent);border:1px solid color-mix(in srgb,var(--color-accent) 25%,var(--color-border));box-shadow:0 12px 32px #00000059;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}@media(min-width:520px){.landing-demo{grid-template-columns:1fr 1fr}}.landing-demo-pane{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-4);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-bg) 65%,var(--color-surface))}.landing-demo-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-1);padding-bottom:var(--space-2);border-bottom:1px solid color-mix(in srgb,var(--color-fg-muted) 12%,transparent)}.landing-demo-name{font-weight:700;font-size:var(--type-sm);color:var(--color-fg)}.landing-demo-lang{font-size:var(--type-xs);font-weight:700;color:var(--color-accent);letter-spacing:.06em;background:color-mix(in srgb,var(--color-accent) 15%,transparent);padding:2px 8px;border-radius:var(--radius-full)}.landing-demo-bubble{max-width:95%;padding:10px 14px;border-radius:var(--radius-md);font-size:var(--type-sm);line-height:1.45;box-shadow:var(--shadow-sm)}.landing-demo-bubble.out{align-self:flex-end;margin-inline-start:auto;background:color-mix(in srgb,var(--color-accent) 26%,var(--color-surface));color:var(--color-fg);overflow-wrap:anywhere}.landing-demo-bubble.in{align-self:flex-start;margin-inline-end:auto;background:var(--color-bg-elevated);color:var(--color-fg);overflow-wrap:anywhere}.landing-demo-toggle-btn{display:inline-flex;align-items:center;gap:4px;margin-top:8px;font-size:var(--type-xs);font-weight:600;color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--color-accent) 25%,transparent);padding:4px 10px;border-radius:var(--radius-full);cursor:pointer;transition:all .2s ease}.landing-demo-toggle-btn:hover{background:color-mix(in srgb,var(--color-accent) 22%,transparent)}.landing-demo-original{margin-top:8px;padding-top:8px;border-top:1px dashed var(--color-border);font-size:var(--type-xs);color:var(--color-fg-muted);font-style:italic}@keyframes landingBubbleIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.landing-demo-bubble.demo-a,.landing-demo-bubble.demo-b{animation:landingBubbleIn .45s ease both}.landing-demo-bubble.demo-b{animation-delay:.18s}@media(prefers-reduced-motion:reduce){.landing-page,.landing-page *{scroll-behavior:auto!important}.landing-demo-bubble.demo-a,.landing-demo-bubble.demo-b{animation:none}}.landing-section-title{font-family:var(--font-display);font-size:clamp(1.4rem,2.8vw,1.9rem);font-weight:800;letter-spacing:-.03em;margin-bottom:var(--space-3);color:var(--color-fg)}.landing-section-subtitle{max-width:56ch;font-size:var(--type-body);color:var(--color-fg-muted);margin-top:calc(-1 * var(--space-1));margin-bottom:var(--space-5);line-height:1.55}.landing-usecases-grid{display:grid;grid-template-columns:1fr;gap:var(--space-4);margin-top:var(--space-3)}@media(min-width:768px){.landing-usecases-grid{grid-template-columns:repeat(3,1fr);gap:0}}.landing-usecase-item{background:transparent;border:none;box-shadow:none;padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}@media(min-width:768px){.landing-usecase-item:not(:first-child){border-left:1px solid var(--color-border);padding-left:var(--space-6)}.landing-usecase-item:not(:last-child){padding-right:var(--space-6)}}@media(max-width:767px){.landing-usecase-item{padding:var(--space-4) var(--space-2)}.landing-usecase-item:not(:last-child){border-bottom:1px solid var(--color-border)}}.landing-usecase-title{font-size:var(--type-body);font-weight:700;color:var(--color-fg);margin-bottom:var(--space-1)}.landing-usecase-desc{font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.55}.landing-steps{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-4);padding:0;margin:0;max-width:100%}.landing-step{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all .2s ease}.landing-step:hover{border-color:color-mix(in srgb,var(--color-accent) 35%,var(--color-border));transform:translateY(-2px)}.landing-step-num{flex:0 0 auto;width:36px;height:36px;display:grid;place-items:center;border-radius:var(--radius-full);background:color-mix(in srgb,var(--color-accent) 15%,transparent);border:1px solid color-mix(in srgb,var(--color-accent) 35%,transparent);color:var(--color-accent);font-weight:800;font-size:var(--type-body)}.landing-step-title{font-size:var(--type-body);font-weight:700;color:var(--color-fg);margin-bottom:var(--space-1)}.landing-step-body{font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.5}.landing-compare{display:grid;grid-template-columns:1fr;gap:var(--space-6);padding:0;background:transparent;border:none;border-radius:0;box-shadow:none}@media(min-width:768px){.landing-compare{grid-template-columns:repeat(2,minmax(0,1fr));gap:0;align-items:start}}.landing-compare-col{display:flex;flex-direction:column;gap:var(--space-4);align-self:start}@media(min-width:768px){.landing-compare-col.without{padding-right:var(--space-6)}.landing-compare-col.accent{border-left:1px solid var(--color-border);padding-left:var(--space-6)}}@media(max-width:767px){.landing-compare-col.without{padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border)}}.landing-compare-heading{font-family:var(--font-display);font-size:var(--type-body);font-weight:700;margin:0;padding-bottom:var(--space-3)}.landing-compare-col.without .landing-compare-heading{color:var(--color-danger);border-bottom:1px solid color-mix(in srgb,var(--color-danger) 22%,var(--color-border))}.landing-compare-col.accent .landing-compare-heading{color:var(--color-accent);border-bottom:1px solid color-mix(in srgb,var(--color-accent) 25%,var(--color-border))}.landing-compare-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-3)}.landing-compare-list li{display:flex;align-items:center;gap:var(--space-3);font-size:var(--type-body);color:var(--color-fg)}.landing-compare-step-num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:var(--radius-full);font-size:var(--type-xs);font-weight:700;flex-shrink:0}.landing-compare-col.without .landing-compare-step-num{background:color-mix(in srgb,var(--color-danger) 14%,transparent);color:var(--color-danger)}.landing-compare-col.accent .landing-compare-step-num{background:color-mix(in srgb,var(--color-accent) 16%,transparent);color:var(--color-accent)}.landing-compare-step-text{font-size:var(--type-body);line-height:1.5}.landing-features{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--space-4);max-width:100%}.landing-feature{padding:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all .2s ease}.landing-feature:hover{border-color:color-mix(in srgb,var(--color-accent) 35%,var(--color-border))}.landing-feature-title{font-size:var(--type-body);font-weight:700;color:var(--color-fg);margin-bottom:var(--space-2)}.landing-feature-body{font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.5}.landing-trust-primary{font-size:var(--type-body);font-weight:600;line-height:1.6;max-width:52ch;margin-bottom:var(--space-5);color:var(--color-fg)}.landing-trust-list{margin:0 0 var(--space-5);padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-3)}.landing-trust-list li{display:flex;gap:var(--space-3);align-items:flex-start;padding:var(--space-4);background:color-mix(in srgb,var(--color-bg) 50%,var(--color-surface));border-radius:var(--radius-md);font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.5}.landing-trust-list li:before{content:"✓";color:var(--color-accent);font-weight:800;font-size:var(--type-body);line-height:1}.landing-trust-note{font-size:var(--type-sm)}.landing-trust-note a{color:var(--color-accent);text-decoration:underline;text-underline-offset:3px;min-height:var(--touch-min);display:inline-flex;align-items:center;font-weight:600}.landing-faq-accordion{display:flex;flex-direction:column;border-top:1px solid var(--color-border);max-width:100%}.landing-faq-item{border:none;border-bottom:1px solid var(--color-border);border-radius:0;background:transparent;padding:0;margin:0;box-shadow:none}.landing-faq-summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);padding:var(--space-4) 0;cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none}.landing-faq-summary::-webkit-details-marker{display:none}.landing-faq-question{font-family:var(--font-display);font-size:var(--type-body);font-weight:700;color:var(--color-fg);margin:0}.landing-faq-icon{font-size:var(--type-sm);color:var(--color-fg-muted);transition:transform .2s ease;flex-shrink:0}details[open] .landing-faq-icon{transform:rotate(180deg);color:var(--color-accent)}.landing-faq-answer{padding-bottom:var(--space-5);font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.6}.landing-final{text-align:left;padding:var(--space-8) var(--space-6);border-radius:var(--radius-xl);background:linear-gradient(135deg,color-mix(in srgb,var(--color-accent) 14%,var(--color-surface)),var(--color-surface));display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:var(--space-5);box-shadow:0 12px 36px color-mix(in srgb,var(--color-accent) 10%,transparent)}.landing-final-title{font-family:var(--font-display);font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:800;color:var(--color-fg);letter-spacing:-.03em;margin:0}.landing-footer{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-3);padding:var(--space-5) var(--space-4) calc(var(--space-7) + env(safe-area-inset-bottom,0px));font-size:var(--type-sm);border-top:1px solid var(--color-border)}.landing-footer-brand{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-fg-muted);font-weight:600}.landing-footer-sep,.landing-footer-meta{font-weight:500;color:var(--color-fg-muted)}.landing-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-4)}.landing-footer a{color:var(--color-fg-muted);text-decoration:underline;text-underline-offset:3px;min-height:var(--touch-min);display:inline-flex;align-items:center}.landing-footer a:hover{color:var(--color-accent)}.form-group{display:flex;flex-direction:column;gap:8px}.auth-form .form-label{color:color-mix(in srgb,var(--color-fg) 72%,var(--color-fg-muted))}.form-label{font-size:var(--type-xs);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--color-fg-muted)}.form-error{padding:10px 12px;border-radius:var(--radius-md);background:var(--danger-soft);border:1px solid var(--danger-border);color:#fecaca;font-size:var(--type-sm)}.form-submit-btn{min-height:var(--touch-min);padding:12px 16px;border-radius:var(--radius-md);background:var(--color-accent-primary, var(--color-accent));color:var(--color-accent-fg);font-weight:var(--font-weight-medium, 500);font-size:var(--font-size-body-sm, var(--type-body));border:1px solid var(--color-accent-primary, var(--color-accent))}.form-submit-btn:hover:not(:disabled){background:var(--color-accent-hover, var(--color-accent));border-color:var(--color-accent-hover, var(--color-accent))}.form-submit-btn.secondary{background:var(--color-bg-elevated);color:var(--color-fg);border-color:var(--color-border)}.form-submit-btn:disabled{opacity:.5}.password-wrapper{position:relative;display:flex;align-items:center}.password-wrapper input{width:100%;padding-right:48px}.password-toggle{position:absolute;right:4px;min-width:var(--touch-min);min-height:var(--touch-min);display:grid;place-items:center;color:var(--color-fg-subtle)}.avatar-grid{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}.avatar-option{width:var(--touch-min);height:var(--touch-min);border-radius:50%;padding:0;overflow:hidden;border:2px solid transparent;opacity:.65;background:transparent;flex-shrink:0}.avatar-option img{width:100%;height:100%;object-fit:cover}.avatar-option.selected,.avatar-option:hover{opacity:1;border-color:var(--color-accent)}.avatar-option.small{width:var(--touch-min);height:var(--touch-min)}.custom-file-upload{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-min);padding:0 14px;border-radius:var(--radius-md);border:1px dashed var(--color-border);color:var(--color-fg-muted);font-size:var(--type-sm);font-weight:600;cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000b8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:var(--space-4);overflow-y:auto;overscroll-behavior:contain}.modal-panel{width:min(440px,100%);max-height:min(90vh,720px);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:0 20px 48px #00000073;padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-4)}.modal-panel.profile-panel,.modal-panel.contact-panel{width:min(400px,100%)}.modal-panel.confirm-dialog{width:min(360px,100%)}.modal-panel.about-panel{width:min(400px,100%);text-align:center}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.modal-title,h2.modal-title{margin:0;font-family:var(--font-display);font-size:1.1rem;font-weight:700;letter-spacing:-.02em}.modal-close-btn{min-width:var(--touch-min);min-height:var(--touch-min);display:grid;place-items:center;border-radius:var(--radius-md);color:var(--color-fg-muted)}.modal-close-btn:hover{color:var(--color-fg);background:var(--color-bg-panel)}.confirm-dialog-desc{font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.5}.confirm-dialog-actions{display:flex;gap:var(--space-2);justify-content:flex-end}.confirm-btn-cancel,.confirm-btn-danger{min-height:var(--touch-min);padding:0 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var(--color-border);color:var(--color-accent)}.about-brand-mark{color:var(--color-accent)}.about-tagline{font-size:var(--font-size-title, 17px);font-weight:var(--font-weight-medium, 500);line-height:1.35;color:var(--color-fg);max-width:36ch;margin:0 auto}.about-support-line{font-size:var(--type-sm);line-height:1.45;color:var(--color-fg-muted);max-width:40ch;margin:var(--space-1) auto 0}.about-product-sentence{font-size:var(--type-sm);line-height:1.45;color:var(--color-fg-muted);max-width:40ch;margin:var(--space-2) auto 0}.about-trust-line{font-size:var(--type-xs);line-height:1.4;color:var(--color-fg-subtle);max-width:40ch;margin:var(--space-3) auto 0}.about-version{display:inline-block;margin:0 auto;padding:2px 10px;border-radius:var(--radius-pill);border:1px solid var(--color-border);background:var(--color-bg-panel);font-size:11px;font-weight:700;color:var(--color-accent)}.about-features{display:flex;flex-direction:column;gap:8px;text-align:left}.about-feature-text{font-size:var(--type-sm);color:var(--color-fg);font-weight:500}.about-engagement{padding-top:var(--space-3);border-top:1px solid var(--color-border-subtle)}.about-engagement-title{font-size:var(--type-xs);font-weight:700;color:var(--color-fg-muted);margin-bottom:6px}.about-engagement-stats{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:var(--type-xs);color:var(--color-fg-subtle);justify-content:center}.about-badge-grid{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:8px}.about-badge-item{font-size:11px;padding:4px 8px;border-radius:var(--radius-sm);background:var(--color-bg-panel);border:1px solid var(--color-border-subtle)}.about-engagement-hint,.about-footer{font-size:11px;color:var(--color-fg-subtle);margin-top:8px}.profile-drawer{width:320px;background:var(--color-bg-panel);border-left:1px solid var(--color-border);padding:var(--space-5);display:flex;flex-direction:column;gap:var(--space-4);animation:slideInRight .22s ease}@keyframes slideInRight{0%{transform:translate(12px);opacity:0}to{transform:translate(0);opacity:1}}.drawer-section{border-top:1px solid var(--color-border-subtle);padding-top:12px;font-size:13px}.drawer-section-label{color:var(--color-fg-muted);margin-bottom:4px;font-size:var(--type-xs);font-weight:600}.drawer-section-value{font-weight:600}.drawer-hint{margin:6px 0 0;font-size:var(--type-xs);color:var(--color-fg-muted);line-height:1.4}.drawer-actions{display:flex;flex-direction:column;gap:8px;margin-top:8px}.safety-panel,.discovery-panel{width:min(480px,100%)}.safety-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.safety-tab{min-height:var(--touch-min);padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-panel);color:var(--color-fg-muted);font-size:var(--type-xs);font-weight:600}.safety-tab.active{color:var(--color-fg);border-color:var(--color-accent)}.safety-body{display:flex;flex-direction:column;gap:10px}.safety-hint{font-size:var(--type-xs);color:var(--color-fg-muted);line-height:1.45}.safety-stats{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:var(--type-xs);color:var(--color-fg-subtle)}.safety-empty{font-size:var(--type-sm);color:var(--color-fg-subtle)}.safety-list{display:flex;flex-direction:column;gap:8px}.safety-list li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid var(--color-border-subtle);font-size:var(--type-sm)}.safety-list.compact li{border-bottom:none;padding:4px 0}.safety-toggle{display:flex;align-items:center;gap:10px;font-size:var(--type-sm);color:var(--color-fg)}.form-input{width:100%}.discovery-lead{font-size:var(--type-sm);color:var(--color-fg-muted);line-height:1.45}.discovery-invite-hint{margin:var(--space-2) 0 0;font-size:var(--type-xs);color:var(--color-fg-subtle);line-height:1.4;max-width:40ch}.discovery-filters{display:flex;flex-direction:column;gap:10px}.discovery-chip-row,.discovery-interest-row{display:flex;flex-wrap:wrap;gap:6px}.discovery-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0}.discovery-card-body{flex:1;min-width:0}.discovery-card-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.discovery-lang,.discovery-region{font-size:var(--type-xs);color:var(--color-fg-subtle)}.discovery-bio{font-size:var(--type-sm);color:var(--color-fg-muted);margin:4px 0;line-height:1.4}.discovery-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:8px}.discovery-chip{min-height:var(--touch-min);padding:10px 12px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-panel);color:var(--color-fg-muted);font-size:var(--type-xs);font-weight:600}.discovery-chip.active{border-color:var(--color-accent);color:var(--color-fg)}.discovery-results{display:flex;flex-direction:column;gap:10px}.discovery-card{display:flex;gap:12px;align-items:center;padding:12px;border-radius:var(--radius-md);border:1px solid var(--color-border-subtle);background:var(--color-bg-panel)}.discovery-card img{width:48px;height:48px;border-radius:50%;object-fit:cover}.discovery-name{margin:0;font-family:var(--font-display);font-size:var(--type-md);font-weight:700}.discovery-meta{font-size:var(--type-xs);color:var(--color-fg-muted)}.discovery-reasons{display:flex;flex-wrap:wrap;gap:4px;margin-top:4px}.discovery-reason{font-size:10px;padding:2px 6px;border-radius:var(--radius-xs);background:var(--color-bg-elevated);color:var(--color-fg-subtle)}.error-boundary{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);padding:var(--space-5);text-align:center;background:var(--color-bg-canvas)}.error-boundary-mark{color:var(--color-accent)}.error-boundary h2{font-family:var(--font-display);letter-spacing:-.02em}.error-boundary p{max-width:40ch;color:var(--color-fg-muted);font-size:var(--type-sm)}.error-boundary-btn{min-height:var(--touch-min);padding:0 18px;border-radius:var(--radius-md);background:var(--color-accent);color:var(--color-accent-fg);font-weight:700}@media(min-width:1024px){.sidebar-search-row-desktop{display:flex}.sidebar-header-actions{display:none}.mobile-back-btn{display:none!important}}@media(max-width:1023px){.sidebar-panel{width:100%;border-right:none}.sidebar-panel.mobile-hidden,.main-chat-view.mobile-hidden{display:none}.sidebar-search-row-desktop{display:none!important}.sidebar-header-actions{display:flex}.sidebar-account-label{display:none}.mobile-back-btn{display:flex!important}.profile-drawer{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;z-index:900}.bubble-group{max-width:88%}.modal-panel{margin:0}}@media(max-width:767px){.messages-scroll,.messages-area{padding-left:var(--space-screen-x, 16px);padding-right:var(--space-screen-x, 16px)}button.contact-row{min-height:76px}.contact-row-avatar{width:50px;height:50px}.contact-details{gap:var(--space-1)}.bubble-group{max-width:86%}.bubble-more-btn{display:none!important}.messages-column{max-width:none}}@media(min-width:768px)and (max-width:1023px){.bubble-group{max-width:78%}}.modal-action-btn{margin-top:var(--space-3);width:100%}@media(max-height:640px){.landing-hero{padding-top:var(--space-6);padding-bottom:var(--space-6)}.auth-screen,.legal-doc-screen{align-items:flex-start;padding-top:var(--space-6);padding-bottom:var(--space-6)}.modal-overlay{align-items:flex-start;padding-top:var(--space-4);padding-bottom:var(--space-4)}}@media(max-width:480px){.landing-headline{font-size:clamp(1.75rem,7.5vw,2.4rem)}.landing-nav-inner{padding-inline:var(--space-3)}.landing-steps,.landing-features,.landing-usecases-grid{grid-template-columns:1fr}.modal-panel{width:100%;padding:var(--space-4)}.auth-form,.legal-doc-body{padding:var(--space-4)}}