:root{color-scheme:light;--bg: #f7f5f0;--surface: #fcfbf8;--surface-2: #efeee8;--text: #232320;--text-soft: #4a4941;--muted: #6c6a61;--border: #e3e0d7;--border-strong: #d3cfc3;--accent: #607a63;--accent-text: #4c6350;--accent-strong: #4c6350;--accent-soft: rgba(96, 122, 99, .12);--button: #2a2a24;--button-text: #f7f5f0;--button-press: #1f1f1a;--received: #efeee8;--sent: #2a2a24;--sent-text: #f7f5f0;--danger: #a44a35;--danger-soft: rgba(164, 74, 53, .1);--danger-text: #ffffff;--ok: #4f6b52;--badge-bg: #2b2b25;--badge-text: #f7f5f0;--toggle-knob-on: #fbfaf7;--overlay: rgba(35, 34, 30, .4);--shadow-1: 0 1px 2px rgba(35, 34, 30, .06);--shadow-2: 0 6px 24px rgba(35, 34, 30, .12);--radius-xs: 6px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--nav-height: 60px;--nav-inset: 10px;--nav-clearance: calc( var(--nav-height) + env(safe-area-inset-bottom) + var(--nav-inset) * 2 );--nav-shadow: 0 1px 2px rgba(35, 34, 30, .05), 0 6px 18px rgba(35, 34, 30, .07);--column: 430px;--ease: cubic-bezier(.32, .72, 0, 1);--md-inline-code-bg: rgba(0, 0, 0, .08);--md-inline-code-border: rgba(0, 0, 0, .06);--md-code-bg: rgba(0, 0, 0, .07);--md-code-border: rgba(0, 0, 0, .08);--md-quote-border: var(--border-strong);--md-quote-text: var(--muted);--md-link-underline: var(--muted)}:root.dark{color-scheme:dark;--bg: #171614;--surface: #1e1d1a;--surface-2: #262420;--text: #ece9e1;--text-soft: #d2cec4;--muted: #9b978d;--border: #2d2b26;--border-strong: #3d3a33;--accent: #8bab8e;--accent-text: #a2c0a5;--accent-strong: #79997c;--accent-soft: rgba(139, 171, 142, .14);--button: #e5e2d8;--button-text: #171614;--button-press: #f2efe6;--received: #262420;--sent: #e5e2d8;--sent-text: #171614;--danger: #d9907e;--danger-soft: rgba(217, 144, 126, .14);--danger-text: #171614;--ok: #a3bd8d;--badge-bg: #e5e2d8;--badge-text: #171614;--overlay: rgba(0, 0, 0, .55);--shadow-1: 0 1px 2px rgba(0, 0, 0, .35);--shadow-2: 0 6px 24px rgba(0, 0, 0, .45);--nav-shadow: 0 1px 2px rgba(0, 0, 0, .32), 0 6px 18px rgba(0, 0, 0, .36)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;padding:0}html,body{min-height:100%}html,#root{background:var(--bg);transition:background .25s ease}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);font-size:15px;line-height:1.45;letter-spacing:-.006em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .25s ease,color .25s ease}a{color:inherit;text-decoration:none}button{font-family:inherit;font-size:inherit;touch-action:manipulation}input,textarea{font-family:inherit}h1,h2,h3{letter-spacing:-.015em}button,.logo,.logo-button,.home-header,.home-header-actions,.chat-header,.option,.tab,.nav-label,.bottom-nav,.settings-page-title,.settings-section-title,.settings-row,.settings-row-label,.settings-row-sub,.settings-field-label,.settings-static-row,.settings-email-row,.dialog-title,.sheet-title,.settings-overlay,.settings-overlay *{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.settings-overlay input,.settings-overlay textarea,.settings-overlay [contenteditable=true]{-webkit-user-select:text;user-select:text;-webkit-touch-callout:default}:focus-visible{outline:2px solid var(--muted);outline-offset:2px}.app-stage{transition:opacity .3s ease}.app-stage.shifted{opacity:.45}.icon-button{width:40px;height:40px;flex-shrink:0;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;transition:background .18s ease,color .18s ease}.icon-button:hover{background:var(--surface-2);color:var(--text-soft)}.icon-button:active{transform:scale(.95)}.icon-button:disabled{opacity:.45;cursor:default}.icon-button:disabled:hover{background:transparent}.floating{position:fixed;right:20px;bottom:calc(env(safe-area-inset-bottom) + 20px)}.btn-small{height:36px;padding:0 14px;border:1px solid transparent;border-radius:var(--radius-sm);background:var(--button);color:var(--button-text);font-size:13.5px;font-weight:550;cursor:pointer;flex-shrink:0;transition:background .18s ease,color .18s ease,border-color .18s ease,opacity .18s ease,transform .15s ease}.btn-small:active:not(:disabled){transform:scale(.97);background:var(--button-press)}.btn-small.ghost{background:transparent;color:var(--text-soft);border-color:var(--border-strong)}.btn-small.ghost:active:not(:disabled){background:var(--surface-2)}.btn-small:disabled{opacity:.5;cursor:default}.btn-plain{height:42px;padding:0 14px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-size:15px;font-weight:500;cursor:pointer;transition:color .18s ease}.btn-plain:hover{color:var(--text)}.btn-primary{height:44px;padding:0 18px;border:0;border-radius:var(--radius-md);background:var(--button);color:var(--button-text);font-size:15px;font-weight:550;cursor:pointer;transition:background .2s ease,color .2s ease,opacity .2s ease,transform .15s ease}.btn-primary:hover:not(:disabled){background:var(--button-press)}.btn-primary.danger{background:var(--danger);color:var(--danger-text)}.btn-primary:disabled{opacity:.5;cursor:default}.link{color:var(--text);font-weight:500;cursor:pointer;background:none;border:0;padding:0;font-size:inherit;transition:opacity .2s ease,color .2s ease}.link:hover{color:var(--accent-text)}.link:active{opacity:.6}.link:disabled{opacity:.5;cursor:default}.muted{color:var(--muted);font-size:14px}.auth-screen{position:relative;width:100%;max-width:var(--column);min-height:100dvh;margin:0 auto;padding:calc(env(safe-area-inset-top) + 40px) 28px calc(env(safe-area-inset-bottom) + 32px);display:flex;flex-direction:column}.auth-chrome{position:absolute;top:calc(env(safe-area-inset-top) + 14px);right:20px;display:flex;gap:var(--space-2);z-index:5}.lang-button{width:40px;height:40px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.06em;cursor:pointer;transition:background .18s ease,color .18s ease}.lang-button:hover{background:var(--surface-2);color:var(--text-soft)}.lang-button:active{transform:scale(.95)}.brand{margin-top:15vh;margin-bottom:36px}.brand h1{margin:0;font-size:22px;font-weight:600;letter-spacing:-.03em;-webkit-user-select:none;user-select:none}.brand-tagline{margin:8px 0 0;font-size:14px;color:var(--muted);letter-spacing:0}.form{display:flex;flex-direction:column;gap:var(--space-3)}.form-hint{margin:0 0 4px;font-size:14px;line-height:1.55;color:var(--muted)}.input{width:100%;height:52px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);color:var(--text);padding:0 16px;font-size:16px;outline:none;transition:border-color .2s 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var(--border);border-radius:var(--radius-md);background:var(--surface);padding:20px;animation:fade-in .25s ease-out;transition:border-color .25s ease,background .25s ease}.notice-card h2{margin:0 0 8px;font-size:16px;font-weight:600}.notice-card p{margin:0;font-size:14px;line-height:1.55;color:var(--muted)}.legal-footer{color:var(--muted);font-size:13px;text-align:center}.legal-footer .link,.settings-legal-link,.settings-privacy-link{color:var(--muted);font-weight:500;text-decoration:underline;text-underline-offset:3px}.legal-footer .link:hover,.settings-legal-link:hover,.settings-privacy-link:hover{color:var(--accent-text)}.legal-footer-sep{margin:0 8px;opacity:.6}.auth-legal-footer{margin-top:auto;padding-top:32px}.config-legal-footer{margin-top:32px;text-align:left}.at-field{position:relative;display:flex;align-items:center}.at-prefix{position:absolute;left:16px;color:var(--muted);font-size:16px;pointer-events:none;z-index:1}.at-input{padding-left:31px}.search-field .at-prefix{font-weight:700;color:var(--text)}.search-field .at-input{font-weight:400}.search-field .at-input::placeholder{font-weight:400}.at-status{position:absolute;right:14px;font-size:12px;color:var(--muted);pointer-events:none}.at-field.invalid .at-input{border-color:var(--danger)}.at-field.invalid .at-input:focus{box-shadow:0 0 0 3px var(--danger-soft)}.at-field.valid .at-input{border-color:var(--ok)}.field-hint{margin:-4px 2px 0;font-size:13px;line-height:1.45;color:var(--danger);animation:fade-in .2s ease-out}.field-hint.ok{color:var(--ok)}.field-hint.muted{color:var(--muted)}.home-screen{position:relative;width:100%;max-width:var(--column);min-height:100dvh;margin:0 auto;display:flex;flex-direction:column;padding:calc(env(safe-area-inset-top) + 16px) 20px var(--nav-clearance);animation:screen-in .2s ease-out}@keyframes screen-in{0%{opacity:0;transform:translateY(6px)}}.home-header{display:flex;justify-content:space-between;align-items:center;min-height:44px;margin-bottom:var(--space-3);padding:0 2px}.logo{font-size:21px;font-weight:650;letter-spacing:-.03em}.logo-button{border:0;background:transparent;color:var(--text);cursor:pointer;padding:8px 14px 8px 2px;transition:opacity .2s ease}.logo-button:active{opacity:.6}.home-header-actions{display:flex;gap:var(--space-2)}.chat-list{display:flex;flex-direction:column;gap:var(--space-1)}.avatar{transition:background .25s ease,border-color .25s ease,color .25s ease}.chat-row{position:relative;animation:row-in .24s var(--ease) both}@keyframes row-in{0%{opacity:0;transform:translateY(4px)}}.chat{width:100%;display:flex;align-items:center;gap:14px;padding:14px 8px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text);text-align:left;cursor:pointer;transition:background .18s ease}.chat:hover{background:var(--surface)}.chat:active{background:var(--surface-2)}.chat-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.chat-topline{display:flex;align-items:baseline;min-width:0}.chat-identity{display:flex;align-items:baseline;gap:6px;flex:1;min-width:0;overflow:hidden}.chat-name{font-size:15px;font-weight:600;letter-spacing:-.011em;flex-shrink:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-username{flex-shrink:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;letter-spacing:-.005em;color:var(--muted)}.chat-time{font-size:12px;color:var(--muted);flex-shrink:0;font-variant-numeric:tabular-nums;line-height:1.25}.chat-subline{display:flex;align-items:center;min-width:0}.chat-preview{flex:1;min-width:0;font-size:14px;line-height:1.4;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-overview-row .chat-trailing{align-self:stretch;display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:4px;padding:2px 0}.chat-notes-tag{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:var(--radius-pill);background:var(--surface-2);font-size:10.5px;font-weight:600;letter-spacing:.035em;text-transform:uppercase;color:var(--muted);white-space:nowrap;flex-shrink:0}.chat-row.unread .chat-name{font-weight:650}.chat-row.unread .chat-preview{color:var(--text-soft)}.chat-row.unread .chat-time{color:var(--accent-text)}.unread-badge{min-width:20px;height:20px;padding:0 7px;border-radius:var(--radius-pill);background:var(--badge-bg);color:var(--badge-text);font-size:11px;font-weight:650;line-height:20px;text-align:center;flex-shrink:0;font-variant-numeric:tabular-nums;letter-spacing:.005em}.chat-row-actions{display:flex;gap:var(--space-2);padding:0 8px 13px 68px}.request-label{font-size:13px;font-weight:500;color:var(--accent-text)}.request-label:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:6px;flex-shrink:0}.chat-list-skeleton{display:flex;flex-direction:column;gap:var(--space-1)}.skeleton-row{position:relative;display:flex;align-items:center;gap:14px;padding:14px 8px;animation:skeleton-breathe 1.5s ease-in-out infinite}.skeleton-avatar{width:46px;height:46px;flex-shrink:0;border-radius:50%;background:var(--surface-2)}.skeleton-lines{flex:1;min-width:0;display:flex;flex-direction:column;gap:9px;padding:3px 0}.skeleton-line{height:11px;border-radius:var(--radius-pill);background:var(--surface-2)}.skeleton-line.w62{width:62%}.skeleton-line.w40{width:40%}@keyframes skeleton-breathe{0%,to{opacity:1}50%{opacity:.5}}.empty{margin:14vh auto 0;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.empty-title{font-size:17px;font-weight:600;color:var(--text);letter-spacing:-.02em}.empty-text{font-size:14px;line-height:1.6;max-width:280px;margin:0 auto}.empty-action{margin-top:12px}.settings-overlay{--row-inset: 10px;position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:var(--bg);transform:translate(56px);opacity:0;visibility:hidden;pointer-events:none;transition:transform .3s var(--ease),opacity .3s ease,visibility 0s linear .3s;display:flex;flex-direction:column}.settings-overlay.open{transform:translate(0);opacity:1;visibility:visible;pointer-events:auto;transition:transform .3s var(--ease),opacity .3s ease,visibility 0s}.settings-pane{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;background:var(--bg);display:flex;flex-direction:column}.settings-pane.leaving{z-index:0;pointer-events:none}.settings-pane-new-chat.entering{animation:pane-in-left .3s var(--ease)}.settings-pane-settings.entering{animation:pane-in-right .3s var(--ease)}.settings-pane-new-chat.leaving{transform:translate(-56px);opacity:0;animation:pane-out-left .3s var(--ease) forwards}.settings-pane-settings.leaving{transform:translate(56px);opacity:0;animation:pane-out-right .3s var(--ease) forwards}@keyframes pane-out-left{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(-56px)}}@keyframes pane-in-right{0%{opacity:0;transform:translate(56px)}to{opacity:1;transform:translate(0)}}@keyframes pane-out-right{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(56px)}}@keyframes pane-in-left{0%{opacity:0;transform:translate(-56px)}to{opacity:1;transform:translate(0)}}.settings-header{min-height:calc(env(safe-area-inset-top) + 56px);flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:calc(env(safe-area-inset-top) + 2px) 14px 0;border-bottom:1px solid var(--border)}.settings-scroll{flex:1;overflow-y:auto;width:100%;max-width:480px;margin:0 auto;overscroll-behavior:contain;padding-bottom:var(--nav-clearance)}.newchat-screen{padding-bottom:var(--nav-clearance)}.settings-page-title,.settings-subpanel-title{font-size:16px;font-weight:600;letter-spacing:-.015em;color:var(--text)}.settings-section{padding:24px 22px 12px}.settings-section+.settings-section{padding-top:30px}.settings-section-title{margin:0 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:600}.settings-row{width:calc(100% + var(--row-inset) * 2);margin:0 calc(var(--row-inset) * -1);display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px var(--row-inset);border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text);text-align:left}.settings-row+.settings-row,.settings-static-row+.settings-static-row{margin-top:var(--space-1)}.settings-row.clickable{cursor:pointer;transition:background .18s ease,color .18s ease}.settings-row.clickable:hover{background:var(--surface);color:var(--accent-text)}.settings-row.clickable:active{background:var(--surface-2)}.settings-row-main{min-width:0}.settings-row-label{font-size:15.5px}.settings-row-sub{margin-top:2px;font-size:13px;color:var(--muted);line-height:1.45}.settings-row-control{flex-shrink:0}.danger-text{color:var(--danger)}.settings-field-label{display:block;margin:6px 0 8px;font-size:13px;color:var(--muted)}.settings-edit-row{display:flex;gap:10px;align-items:center}.settings-static-row{width:calc(100% + var(--row-inset) * 2);margin:0 calc(var(--row-inset) * -1);display:flex;justify-content:space-between;gap:var(--space-3);padding:13px var(--row-inset);border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text);text-align:left}.settings-email-row{cursor:pointer;transition:background .18s ease,color .18s ease}.settings-email-row:hover{background:var(--surface);color:var(--accent-text)}.settings-static-label{font-size:14px;color:var(--muted)}.settings-static-value{font-size:14.5px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.settings-link{margin-top:12px;font-size:14px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}.settings-inline-form{display:flex;flex-direction:column;gap:10px;margin-top:12px;padding-bottom:8px;animation:form-in .22s var(--ease)}.settings-inline-form.closing{animation:form-out .18s ease-in forwards}@keyframes form-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@keyframes form-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-6px)}}.delete-confirm-input{margin-top:10px}.settings-inline-form .btn-small{align-self:flex-start}.settings-search-results{display:flex;flex-direction:column;gap:var(--space-1);margin-top:12px;padding-bottom:10px;max-height:55vh;overflow-y:auto}.settings-search-row{gap:var(--space-3);padding:14px 8px}.settings-search-row:disabled{opacity:.6;cursor:default}.settings-connection-row{gap:14px;padding:12px 8px}.settings-connection-row:disabled{opacity:.6;cursor:default}.settings-connection-error{margin:8px 0}.blocked-search-row{display:flex;align-items:center;gap:var(--space-3);padding:14px 8px}.blocked-search-row .chat-trailing{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.settings-subpanel{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;background:var(--bg);display:flex;flex-direction:column;transform:translate(56px);opacity:0;visibility:hidden;pointer-events:none;transition:transform .3s var(--ease),opacity .3s ease,visibility 0s linear .3s}.settings-subpanel.open{transform:translate(0);opacity:1;visibility:visible;pointer-events:auto;transition:transform .3s var(--ease),opacity .3s ease,visibility 0s}.settings-subpanel-nested{z-index:3}.settings-subpanel .settings-scroll{padding:8px 22px calc(32px + env(safe-area-inset-bottom))}.settings-subpanel .settings-section:first-child{padding-top:22px}.settings-blocked-empty{padding:18px 0}.settings-people-skeleton-rows{display:flex;flex-direction:column;gap:var(--space-1);animation:skeleton-breathe 1.5s ease-in-out infinite}.settings-people-skeleton-row{display:flex;align-items:center;gap:14px;padding:12px 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