:root{--bg-primary: #f8f6f1;--bg-secondary: #ffffff;--bg-tertiary: #f0ede6;--bg-card: rgba(255, 255, 255, .92);--bg-input: rgba(0, 0, 0, .04);--bg-hover: rgba(212, 160, 23, .08);--bg-active: rgba(212, 160, 23, .14);--text-primary: #1e1e1e;--text-secondary: #5a5a5a;--text-muted: #9a9a9a;--text-inverse: #ffffff;--accent: #d4a017;--accent-light: #e8b84a;--accent-dark: #b8860b;--accent-bg: rgba(212, 160, 23, .12);--success: #34c759;--warning: #ff9500;--danger: #ff3b30;--info: #007aff;--border: rgba(0, 0, 0, .08);--border-active: rgba(212, 160, 23, .35);--shadow: 0 2px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 24px rgba(0, 0, 0, .1);--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .06);--glass-blur: 20px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--header-h: 56px;--tabbar-h: 60px;--safe-bottom: env(safe-area-inset-bottom, 0px);--ease: cubic-bezier(.4, 0, .2, 1);--duration: .2s;--duration-slow: .35s;color-scheme:light}[data-theme=dark]{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-tertiary: #16213e;--bg-card: rgba(26, 26, 46, .85);--bg-input: rgba(22, 33, 62, .6);--bg-hover: rgba(212, 160, 23, .12);--bg-active: rgba(212, 160, 23, .2);--text-primary: #e8e8f0;--text-secondary: #9ca3af;--text-muted: #6b7280;--text-inverse: #0f0f1a;--border: rgba(255, 255, 255, .08);--border-active: rgba(212, 160, 23, .4);--shadow: 0 4px 24px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .4);--glass-bg: rgba(26, 26, 46, .7);--glass-border: rgba(255, 255, 255, .06);color-scheme:dark}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body,#root{height:100%;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}body{position:fixed;width:100%;overflow:hidden}#root{display:flex;flex-direction:column;max-width:480px;margin:0 auto;overflow:hidden;position:relative}@media(min-width:481px){#root{border-left:1px solid var(--border);border-right:1px solid var(--border);box-shadow:var(--shadow-lg)}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:2px}.page{display:flex;flex-direction:column;height:100%;overflow:hidden}.page-header{height:var(--header-h);min-height:var(--header-h);display:flex;align-items:center;padding:0 16px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border);z-index:10}.page-header h1{font-size:18px;font-weight:600;flex:1}.page-header .back-btn{background:none;border:none;color:var(--text-primary);font-size:20px;cursor:pointer;padding:8px;margin-left:-8px;margin-right:4px;border-radius:var(--radius-sm);transition:background var(--duration) var(--ease)}.page-header .back-btn:hover{background:var(--bg-hover)}.page-body{flex:1;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.tabbar{display:flex;height:var(--tabbar-h);padding-bottom:var(--safe-bottom);background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-top:1px solid var(--glass-border);z-index:10}.tabbar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--text-muted);text-decoration:none;font-size:11px;font-weight:500;transition:color var(--duration) var(--ease);cursor:pointer;border:none;background:none;position:relative}.tabbar-item.active{color:var(--accent)}.tabbar-item .tab-icon{font-size:22px;transition:transform var(--duration) var(--ease)}.tabbar-item:active .tab-icon{transform:scale(.9)}.tabbar-item .badge{position:absolute;top:4px;right:calc(50% - 18px);min-width:16px;height:16px;padding:0 4px;font-size:10px;font-weight:700;line-height:16px;text-align:center;color:#fff;background:var(--danger);border-radius:var(--radius-full)}.list-item{display:flex;align-items:center;gap:12px;padding:12px 16px;transition:background var(--duration) var(--ease);cursor:pointer}.list-item:hover{background:var(--bg-hover)}.list-item:active{background:var(--bg-active)}.avatar{width:44px;height:44px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;color:#fff;flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:36px;height:36px;font-size:14px}.avatar-lg{width:64px;height:64px;font-size:26px}.list-content{flex:1;min-width:0}.list-content .name{font-weight:500;font-size:15px}.list-content .preview{font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.list-meta .time{font-size:12px;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration) var(--ease);white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;box-shadow:0 2px 12px #4b7bec4d}.btn-primary:hover{box-shadow:0 4px 20px #4b7bec66;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-full{width:100%}.btn-sm{padding:6px 12px;font-size:13px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}.input{width:100%;padding:12px 16px;font-size:15px;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-md);outline:none;transition:border-color var(--duration) var(--ease),box-shadow var(--duration) var(--ease);font-family:inherit}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.input::placeholder{color:var(--text-muted)}textarea.input{resize:vertical;min-height:80px}.chat-messages{flex:1;overflow-y:auto;padding:8px 12px;display:flex;flex-direction:column;gap:4px}.msg-row{display:flex;gap:8px;max-width:80%;animation:msg-in .3s var(--ease)}.msg-row.outgoing{align-self:flex-end;flex-direction:row-reverse}.msg-bubble{padding:10px 14px;border-radius:var(--radius-lg);font-size:14px;line-height:1.45;word-break:break-word;position:relative}.msg-row:not(.outgoing) .msg-bubble{background:var(--bg-card);border-bottom-left-radius:4px}.msg-row.outgoing .msg-bubble{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;border-bottom-right-radius:4px}.msg-time{font-size:11px;color:var(--text-muted);margin-top:2px}.msg-row.outgoing .msg-time{color:#ffffffa6}.msg-image{max-width:240px;border-radius:var(--radius-md);cursor:pointer}@keyframes msg-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-input-bar{display:flex;align-items:flex-end;gap:8px;padding:8px 12px;padding-bottom:calc(8px + var(--safe-bottom));background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-top:1px solid var(--glass-border)}.chat-input-bar textarea{flex:1;min-height:36px;max-height:120px;padding:8px 14px;font-size:15px;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border);border-radius:20px;outline:none;resize:none;font-family:inherit;line-height:1.4;transition:border-color var(--duration) var(--ease)}.chat-input-bar textarea:focus{border-color:var(--accent)}.chat-input-bar .send-btn{width:36px;height:36px;border-radius:var(--radius-full);background:var(--accent);border:none;color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--duration) var(--ease),transform .1s;flex-shrink:0}.chat-input-bar .send-btn:active{transform:scale(.92)}.chat-input-bar .icon-btn{background:none;border:none;color:var(--text-muted);font-size:22px;cursor:pointer;padding:6px;transition:color var(--duration) var(--ease)}.chat-input-bar .icon-btn:hover{color:var(--text-primary)}.login-page{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:linear-gradient(160deg,#fdf8ef,#f5efe0 40%,#ede4d0)}[data-theme=dark] .login-page{background:linear-gradient(160deg,#1a1a2e,#16213e)}.login-card{width:100%;max-width:380px;padding:36px 28px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.login-logo{text-align:center;margin-bottom:8px}.login-logo-img{width:72px;height:72px;border-radius:var(--radius-lg);filter:drop-shadow(0 4px 12px rgba(212,160,23,.25))}.login-title{font-size:26px;font-weight:700;text-align:center;margin-bottom:4px;background:linear-gradient(135deg,var(--accent-dark),var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.login-subtitle{font-size:14px;color:var(--text-secondary);text-align:center;margin-bottom:16px}.security-badges{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px}.security-badge{display:flex;align-items:center;gap:6px;padding:8px 10px;background:var(--accent-bg);border:1px solid rgba(212,160,23,.15);border-radius:var(--radius-md);transition:transform var(--duration) var(--ease),box-shadow var(--duration) var(--ease)}.security-badge:hover{transform:translateY(-1px);box-shadow:0 2px 8px #d4a01726}.security-icon{font-size:16px;flex-shrink:0}.security-text{font-size:11px;font-weight:600;color:var(--accent-dark);line-height:1.3}[data-theme=dark] .security-text{color:var(--accent-light)}.login-form{display:flex;flex-direction:column;gap:16px}.login-toggle{text-align:center;margin-top:16px;font-size:14px;color:var(--text-secondary)}.login-toggle a{color:var(--accent);cursor:pointer;text-decoration:none;font-weight:500}.login-lang{display:flex;justify-content:center;gap:12px;margin-top:20px;flex-wrap:wrap}.login-lang button{padding:4px 10px;font-size:12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-secondary);cursor:pointer;transition:all var(--duration) var(--ease)}.login-lang button.active{background:var(--accent-bg);color:var(--accent);border-color:var(--accent)}.search-bar{padding:8px 16px}.search-bar input{width:100%;padding:10px 16px 10px 40px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-full);color:var(--text-primary);font-size:14px;outline:none;transition:border-color var(--duration) var(--ease)}.search-bar input:focus{border-color:var(--accent)}.online-dot{width:10px;height:10px;border-radius:var(--radius-full);background:var(--success);box-shadow:0 0 6px #2ed57380;position:absolute;bottom:0;right:0;border:2px solid var(--bg-secondary)}.section-title{padding:16px 16px 8px;font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.divider{height:1px;background:var(--border);margin:0 16px}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;cursor:pointer;transition:background var(--duration) var(--ease)}.settings-item:hover{background:var(--bg-hover)}.settings-item .label{font-size:15px}.settings-item .value{font-size:14px;color:var(--text-muted)}.settings-item .arrow{color:var(--text-muted);font-size:14px}.moment-card{padding:16px;border-bottom:1px solid var(--border)}.moment-header{display:flex;gap:10px;margin-bottom:10px}.moment-user{font-weight:600;font-size:14px}.moment-time{font-size:12px;color:var(--text-muted)}.moment-text{font-size:14px;line-height:1.6;margin-bottom:10px}.moment-images{display:grid;gap:4px;margin-bottom:10px}.moment-images.grid-1{grid-template-columns:1fr;max-width:240px}.moment-images.grid-2,.moment-images.grid-4{grid-template-columns:1fr 1fr}.moment-images.grid-3,.moment-images.grid-5,.moment-images.grid-6,.moment-images.grid-7,.moment-images.grid-8,.moment-images.grid-9{grid-template-columns:1fr 1fr 1fr}.moment-images img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm)}.moment-actions{display:flex;gap:24px;color:var(--text-muted);font-size:13px}.moment-actions button{background:none;border:none;color:inherit;cursor:pointer;display:flex;align-items:center;gap:4px;font-size:inherit;transition:color var(--duration) var(--ease)}.moment-actions button:hover{color:var(--accent)}.moment-actions button.liked{color:var(--danger)}.timeline-grid{columns:2;gap:8px;padding:8px}.timeline-card{break-inside:avoid;margin-bottom:8px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-card);border:1px solid var(--border);cursor:pointer;transition:transform var(--duration) var(--ease)}.timeline-card:hover{transform:translateY(-2px)}.timeline-card img{width:100%;display:block}.timeline-card-body{padding:10px}.timeline-card-body .title{font-size:13px;font-weight:500;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.timeline-card-footer{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;font-size:12px;color:var(--text-muted)}.call-page{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(180deg,#1a1a2e,#0f0f1a)}.call-avatar{width:120px;height:120px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent),var(--accent-light));display:flex;align-items:center;justify-content:center;font-size:48px;color:#fff;margin-bottom:24px;animation:pulse-ring 2s var(--ease) infinite}@keyframes pulse-ring{0%{box-shadow:0 0 #4b7bec66}70%{box-shadow:0 0 0 20px #4b7bec00}to{box-shadow:0 0 #4b7bec00}}.call-name{font-size:24px;font-weight:600;margin-bottom:8px}.call-status{font-size:14px;color:var(--text-secondary);margin-bottom:48px}.call-controls{display:flex;gap:24px}.call-btn{width:60px;height:60px;border-radius:var(--radius-full);border:none;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s var(--ease);color:#fff}.call-btn:active{transform:scale(.92)}.call-btn.accept{background:var(--success)}.call-btn.reject{background:var(--danger)}.call-btn.mute{background:var(--bg-input);color:var(--text-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px;color:var(--text-muted);font-size:14px;text-align:center}.empty-state .icon{font-size:48px;margin-bottom:16px;opacity:.5}.loading-spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:var(--radius-full);animation:spin .8s linear infinite;margin:24px auto}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fade-in .2s var(--ease)}.modal{width:90%;max-width:360px;background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:24px;animation:slide-up .3s var(--ease)}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toggle{position:relative;width:44px;height:24px;background:var(--bg-input);border-radius:12px;border:1px solid var(--border);cursor:pointer;transition:background var(--duration) var(--ease)}.toggle.active{background:var(--accent);border-color:var(--accent)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform var(--duration) var(--ease)}.toggle.active:after{transform:translate(20px)}