:root{--color-bg: #f7f9fa;--color-surface: #ffffff;--color-primary: #12b76a;--color-primary-dark: #027a48;--color-accent: #ff7a59;--color-highlight: #fdb022;--color-text: #101828;--color-text-muted: #667085;--color-border: #e4e7ec;--color-online: #12b76a;--color-bubble-mine: #12b76a;--color-bubble-mine-text: #ffffff;--color-bubble-theirs: #ffffff;--color-bubble-theirs-text: #101828;--color-tab-inactive: #98a2b3;--color-danger: #d92d20;--shadow-card: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04);--shadow-fab: 0 8px 20px rgba(255, 122, 89, .35);--radius-lg: 20px;--radius-md: 14px;--radius-full: 999px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}@media(prefers-color-scheme:dark){:root{--color-bg: #0e1216;--color-surface: #171c22;--color-primary: #17d479;--color-primary-dark: #12b76a;--color-accent: #ff8a6b;--color-highlight: #fdb022;--color-text: #f2f4f7;--color-text-muted: #94969c;--color-border: #262b33;--color-online: #17d479;--color-bubble-mine: #12b76a;--color-bubble-mine-text: #ffffff;--color-bubble-theirs: #1e242c;--color-bubble-theirs-text: #f2f4f7;--color-tab-inactive: #667085;--shadow-card: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 3px rgba(0, 0, 0, .2)}}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-tap-highlight-color:transparent}button{font-family:inherit}.app-shell{max-width:480px;margin:0 auto;height:100vh;height:100dvh;overflow:hidden;background:var(--color-bg);display:flex;flex-direction:column;position:relative}.top-bar{display:flex;align-items:center;gap:4px;padding:calc(12px + var(--safe-top)) 12px 12px;background:var(--color-surface);color:var(--color-text);border-bottom:1px solid var(--color-border)}.top-bar h1{font-size:17px;margin:0;font-weight:700}.icon-btn{background:transparent;border:none;color:inherit;width:38px;height:38px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}.icon-btn:active{background:var(--color-bg)}.list-header{padding:calc(18px + var(--safe-top)) 20px 4px;display:flex;align-items:center;justify-content:space-between}.list-header h1{font-size:26px;font-weight:800;margin:0;color:var(--color-text)}.list-header-actions{display:flex;gap:4px}.search-bar{display:flex;align-items:center;gap:8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);padding:10px 16px;margin:10px 16px 6px;color:var(--color-text-muted)}.search-bar input{border:none;background:transparent;flex:1;font-size:14.5px;color:var(--color-text);outline:none;padding:0}.screen{flex:1;min-height:0;display:flex;flex-direction:column;overflow-y:auto}.form-screen{padding:24px 20px calc(24px + var(--safe-bottom));display:flex;flex-direction:column;gap:16px}.brand-header{display:flex;flex-direction:column;align-items:center;gap:12px;padding:12px 0 8px}.brand-icon{width:68px;height:68px;border-radius:var(--radius-lg);background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center}.form-screen h2{margin:0;font-size:22px;text-align:center}.form-screen p.subtitle{margin:-8px 0 0;color:var(--color-text-muted);font-size:14px;text-align:center}label{font-size:13px;font-weight:600;color:var(--color-text-muted);display:block;margin-bottom:6px}.input-with-icon{position:relative;display:flex;align-items:center}.input-with-icon svg{position:absolute;left:14px;color:var(--color-text-muted);pointer-events:none}.input-with-icon input{padding-left:42px!important}input[type=text],input[type=email],input[type=date],input[type=password],input[type=tel],input[type=file],textarea,select{width:100%;padding:13px 14px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:15px;background:var(--color-surface);color:var(--color-text)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary)}textarea{resize:vertical;min-height:70px}.field{margin-bottom:4px}.btn-primary{background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);padding:14px;font-size:15px;font-weight:700;cursor:pointer}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--color-primary);border:1px solid var(--color-primary);border-radius:var(--radius-md);padding:12px;font-size:14px;font-weight:600;cursor:pointer}.error-text{color:var(--color-danger);font-size:13px}.info-note{display:flex;align-items:flex-start;gap:10px;background:var(--color-bg);border-radius:var(--radius-md);padding:12px 14px;font-size:13px;color:var(--color-text-muted)}.info-note svg{flex-shrink:0;margin-top:1px;color:var(--color-text-muted)}.gender-options{display:flex;gap:8px}.gender-options button{flex:1;padding:10px;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;font-size:14px}.gender-options button.selected{border-color:var(--color-primary);background:var(--color-primary);color:#fff}.chat-list{flex:1;overflow-y:auto;padding-bottom:8px}.chat-row{display:flex;align-items:center;gap:12px;padding:11px 16px;cursor:pointer}.chat-row:active{background:var(--color-bg)}.avatar-wrap{position:relative;flex-shrink:0}.online-dot{position:absolute;bottom:0;right:0;width:12px;height:12px;border-radius:50%;background:var(--color-online);border:2.5px solid var(--color-surface)}.avatar{width:50px;height:50px;border-radius:var(--radius-full);background:var(--color-border);object-fit:cover;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--color-primary-dark)}.chat-row-body{flex:1;min-width:0;border-bottom:1px solid var(--color-border);padding-bottom:11px}.chat-row-top{display:flex;justify-content:space-between;align-items:baseline}.chat-row-name{font-weight:700;font-size:15px}.chat-row-time{font-size:12px;color:var(--color-text-muted)}.chat-row-preview{font-size:13px;color:var(--color-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px;text-align:center;color:var(--color-text-muted);gap:10px}.empty-state svg{color:var(--color-tab-inactive)}.favorite-star{background:transparent;border:none;cursor:pointer;padding:4px;flex-shrink:0;color:var(--color-tab-inactive);display:flex}.favorite-star.active{color:var(--color-highlight)}.fab{position:fixed;bottom:calc(88px + var(--safe-bottom));left:50%;transform:translate(160px);width:56px;height:56px;border-radius:var(--radius-full);background:var(--color-accent);color:#fff;border:none;box-shadow:var(--shadow-fab);cursor:pointer;display:flex;align-items:center;justify-content:center}@media(max-width:480px){.fab{transform:none;right:20px;left:auto}}.bottom-nav{display:flex;background:var(--color-surface);border-top:1px solid var(--color-border);padding:6px 0 calc(6px + var(--safe-bottom));position:sticky;bottom:0;z-index:5}.bottom-nav button{flex:1;background:transparent;border:none;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;font-size:11px;font-weight:600;color:var(--color-tab-inactive);cursor:pointer}.bottom-nav 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video{max-width:100%;border-radius:var(--radius-md);display:block}.bubble audio{width:220px}.bubble-time{display:block;font-size:10.5px;margin-top:3px;text-align:right;opacity:.7}.composer{display:flex;align-items:center;gap:4px;padding:8px calc(10px + var(--safe-bottom)) calc(8px + var(--safe-bottom)) 10px;background:var(--color-surface);border-top:1px solid var(--color-border);position:relative}.composer input[type=text]{flex:1;border-radius:var(--radius-full);background:var(--color-bg)}.composer button{flex-shrink:0}.send-btn{background:var(--color-primary);color:#fff;border:none;width:40px;height:40px;border-radius:var(--radius-full);cursor:pointer;display:flex;align-items:center;justify-content:center}.record-btn.recording{background:var(--color-danger);color:#fff;border-radius:var(--radius-full)}.search-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;gap:20px;text-align:center}.pulse{width:100px;height:100px;border-radius:var(--radius-full);background:radial-gradient(circle,var(--color-primary) 0%,transparent 70%);animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%{transform:scale(.85);opacity:.6}50%{transform:scale(1.05);opacity:1}to{transform:scale(.85);opacity:.6}}.profile-header{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 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.knob{left:21px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:50}.modal-sheet{background:var(--color-surface);border-radius:20px 20px 0 0;width:100%;max-width:480px;padding:24px 20px calc(24px + var(--safe-bottom));display:flex;flex-direction:column;gap:16px}.modal-sheet h2{margin:0}.guideline-item{display:flex;gap:10px;align-items:flex-start;font-size:14px}.checkbox-row{display:flex;align-items:center;gap:10px;font-size:14px;cursor:pointer}.checkbox-row input{width:20px;height:20px;accent-color:var(--color-primary)}.toast-stack{position:fixed;top:calc(12px + var(--safe-top));left:50%;transform:translate(-50%);width:calc(100% - 24px);max-width:420px;display:flex;flex-direction:column;gap:8px;z-index:100;pointer-events:none}.toast{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:12px 14px;display:flex;align-items:flex-start;gap:10px;color:var(--color-primary);animation:toast-in .2s ease-out}.toast-title{font-weight:700;font-size:14px;color:var(--color-text)}.toast-body{font-size:13px;color:var(--color-text-muted);margin-top:2px}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.unread-badge{min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-full);background:var(--color-accent);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}