:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: #e0e7ff;--danger: #ef4444;--danger-hover: #dc2626;--success: #22c55e;--warning: #f59e0b;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border: #334155;--border-light: #475569;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover);text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-success{background:var(--success);color:#fff}.btn-ghost{background:transparent;color:var(--text-secondary);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg-tertiary);color:var(--text-primary)}.btn-icon{background:var(--bg-tertiary);color:var(--text-secondary);padding:8px 12px;border-radius:var(--radius-sm)}.btn-icon:hover:not(:disabled){background:var(--primary);color:#fff}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-full{width:100%}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:6px;font-size:.875rem;font-weight:500;color:var(--text-secondary)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;transition:border-color .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.form-group input::placeholder{color:var(--text-muted)}.login-page,.register-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:linear-gradient(135deg,#0f172a,#1e293b,#0f172a)}.auth-card{width:100%;max-width:420px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-lg)}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.auth-header p{color:var(--text-secondary);font-size:.95rem}.auth-form{margin-bottom:24px}.auth-footer{text-align:center;color:var(--text-secondary);font-size:.875rem}.auth-footer a{font-weight:600}.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.875rem}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:#22c55e1a;border:1px solid rgba(34,197,94,.3);color:#86efac}.dashboard{min-height:100vh;display:flex;flex-direction:column}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.header-left{display:flex;align-items:center;gap:16px}.header-left h1{font-size:1.5rem;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-right{display:flex;align-items:center;gap:16px}.online-badge{font-size:.8rem;color:var(--success);background:#22c55e1a;padding:4px 10px;border-radius:20px;border:1px solid rgba(34,197,94,.3)}.user-info{display:flex;align-items:center;gap:10px}.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.8rem;overflow:hidden}.avatar-image-wrapper{padding:0}.avatar-image{width:100%;height:100%;object-fit:cover;display:block}.avatar-sm{width:28px;height:28px;font-size:.7rem}.username{font-weight:500;color:var(--text-primary)}.dashboard-main{flex:1;padding:24px;max-width:1200px;width:100%;margin:0 auto}.search-section{margin-bottom:24px}.search-input{width:100%;padding:12px 16px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:.95rem;transition:border-color .2s}.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.search-input::placeholder{color:var(--text-muted)}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;transition:all .2s}.card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.card h2{font-size:1.1rem;margin-bottom:8px;color:var(--text-primary)}.card-description{color:var(--text-secondary);font-size:.85rem}.chat-page-layout{display:flex;height:100vh;background:var(--bg-primary)}.chat-sidebar{width:340px;min-width:340px;display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--bg-secondary)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}.sidebar-header h1{font-size:1.2rem;background:linear-gradient(135deg,var(--primary),#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-welcome{flex:1;display:flex;align-items:center;justify-content:center}.welcome-content{text-align:center;color:var(--text-muted)}.welcome-content h2{font-size:1.5rem;color:var(--text-secondary);margin-bottom:8px}.conversation-list{flex:1;overflow-y:auto}.conv-list-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 8px}.conv-list-header h3{font-size:.9rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.conv-count{font-size:.75rem;color:var(--text-muted);background:var(--bg-tertiary);padding:2px 8px;border-radius:10px}.conv-list-loading,.conv-list-empty{padding:40px 20px;text-align:center;color:var(--text-muted);font-size:.85rem}.conv-list-items{display:flex;flex-direction:column;gap:1px}.conv-item{display:flex;align-items:center;gap:12px;padding:12px 20px;background:transparent;border:none;color:inherit;width:100%;text-align:left;cursor:pointer;transition:background .15s}.conv-item:hover,.conv-item-active{background:var(--bg-tertiary)}.conv-avatar{position:relative;flex-shrink:0}.conv-info{flex:1;min-width:0}.conv-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.conv-name{font-weight:600;font-size:.9rem;color:var(--text-primary)}.conv-time{font-size:.7rem;color:var(--text-muted);white-space:nowrap}.conv-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:2px}.conv-preview{font-size:.8rem;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.unread-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:var(--primary);color:#fff;font-size:.7rem;font-weight:700;border-radius:10px;flex-shrink:0}.chat-window{display:flex;flex-direction:column;height:100vh}.chat-window-empty{align-items:center;justify-content:center}.empty-chat{text-align:center;color:var(--text-muted)}.chat-header{display:flex;align-items:center;gap:12px;padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.chat-avatar{position:relative;flex-shrink:0}.chat-header-info{flex:1;min-width:0}.chat-header-info h2{font-size:1rem;font-weight:600}.chat-meta{font-size:.75rem;color:var(--success)}.mobile-back{display:none}.messages-container{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:4px}.messages-loading,.messages-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.9rem}.message{display:flex;gap:8px;max-width:75%}.message-own{align-self:flex-end;flex-direction:row-reverse}.message-avatar{flex-shrink:0;align-self:flex-end}.message-content{display:flex;flex-direction:column;gap:2px;max-width:100%}.message-own .message-content{align-items:flex-end}.message-bubble{padding:8px 14px;border-radius:var(--radius-md);background:var(--bg-tertiary);font-size:.9rem;line-height:1.5;word-wrap:break-word}.message-own .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.message-other .message-bubble{border-bottom-left-radius:4px}.message-type-image,.message-type-video{padding:4px}.message-sender{font-size:.75rem;font-weight:600;color:var(--primary);margin-bottom:2px}.message-text-content{white-space:pre-wrap;word-break:break-word}.message-footer{display:flex;align-items:center;gap:4px;padding:0 4px}.message-time{font-size:.65rem;color:var(--text-muted)}.message-own .message-time{color:#fff9}.msg-status{font-size:.65rem}.status-sent{color:var(--text-muted)}.status-delivered{color:var(--text-secondary)}.status-read{color:var(--success)}.message-system-container{display:flex;justify-content:center;padding:8px 0}.message-system{padding:6px 16px;background:var(--bg-tertiary);border-radius:20px;font-size:.8rem;color:var(--text-muted)}.message-media{max-width:300px}.media-image{max-width:100%;border-radius:var(--radius-sm);cursor:pointer}.media-video{max-width:100%;border-radius:var(--radius-sm)}.media-audio{width:250px;height:40px}.media-caption{font-size:.85rem;margin-top:4px}.message-file{padding:8px 0}.file-link{color:var(--primary);font-weight:500}.typing-indicator{display:flex;align-items:center;gap:6px;padding:6px 20px;font-size:.8rem;color:var(--text-muted);font-style:italic}.typing-dots{display:flex;gap:3px}.dot{width:5px;height:5px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s infinite ease-in-out}.dot:nth-child(1){animation-delay:0s}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.chat-input-area{display:flex;gap:12px;padding:12px 20px;background:var(--bg-secondary);border-top:1px solid var(--border)}.chat-input-wrapper{flex:1}.chat-input{width:100%;padding:10px 14px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9rem;resize:none;font-family:inherit;line-height:1.4;transition:border-color .2s}.chat-input:focus{outline:none;border-color:var(--primary)}.chat-input::placeholder{color:var(--text-muted)}.btn-send{align-self:flex-end;padding:10px 24px}.btn-upload{font-size:1rem;padding:8px 10px;border-radius:var(--radius-sm);line-height:1}.chat-header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.chat-header-actions .btn-icon{font-size:1rem;padding:6px 8px;border-radius:50%;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center}.notifications-page{min-height:100vh;background:var(--bg-primary)}.notifications-container{max-width:640px;margin:0 auto;padding:24px}.notification-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.notification-count{font-size:.85rem;color:var(--text-secondary)}.notification-items{display:flex;flex-direction:column;gap:2px}.notification-item{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all .15s}.notification-item:hover{border-color:var(--border-light)}.notification-unread{border-left:3px solid var(--primary);background:var(--bg-secondary)}.notification-read{opacity:.8}.notification-icon{font-size:1.3rem;flex-shrink:0;margin-top:2px}.notification-content{flex:1;min-width:0}.notification-header{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.notification-title{font-weight:600;font-size:.9rem;color:var(--text-primary)}.notification-time{font-size:.7rem;color:var(--text-muted);white-space:nowrap;margin-top:2px}.notification-body{font-size:.8rem;color:var(--text-secondary);margin-top:4px;line-height:1.4}.notification-actions{display:flex;gap:4px;flex-shrink:0;opacity:0;transition:opacity .15s}.notification-item:hover .notification-actions{opacity:1}.empty-icon{font-size:3rem;display:block;margin-bottom:12px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state p{font-size:.95rem}.empty-hint{font-size:.8rem;margin-top:8px;color:var(--text-muted)}.incoming-call-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:10000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.incoming-call-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:40px;text-align:center;max-width:340px;width:100%;box-shadow:var(--shadow-lg)}.incoming-call-avatar{margin-bottom:16px}.avatar-lg{width:80px;height:80px;font-size:1.8rem;margin:0 auto}.avatar-xl{width:100px;height:100px;font-size:2.2rem;margin:0 auto}.incoming-call-name{font-size:1.4rem;margin-bottom:4px}.incoming-call-type{color:var(--text-secondary);font-size:.95rem;margin-bottom:24px}.incoming-call-actions{display:flex;justify-content:center;gap:24px;margin-bottom:20px}.call-btn{width:64px;height:64px;border-radius:50%;border:none;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;gap:2px}.call-btn-icon{font-size:1.5rem;transform:rotate(135deg)}.call-btn-accept .call-btn-icon{transform:rotate(135deg)}.call-btn-label{font-size:.65rem;color:#fff;font-weight:500}.call-btn-accept{background:var(--success);box-shadow:0 0 20px #22c55e66}.call-btn-accept:hover{background:#16a34a;transform:scale(1.05)}.call-btn-reject{background:var(--danger);box-shadow:0 0 20px #ef444466}.call-btn-reject:hover{background:#dc2626;transform:scale(1.05)}.incoming-call-timer{display:flex;align-items:center;justify-content:center;gap:12px}.ringing-animation{display:flex;gap:4px}.ringing-dot{width:6px;height:6px;background:var(--primary);border-radius:50%;animation:ringingPulse 1.4s infinite ease-in-out}.ringing-dot:nth-child(2){animation-delay:.2s}.ringing-dot:nth-child(3){animation-delay:.4s}@keyframes ringingPulse{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.incoming-call-timeout{font-size:.8rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.call-controls{padding:20px;text-align:center}.call-timer{font-size:1.1rem;font-variant-numeric:tabular-nums;color:var(--text-primary);margin-bottom:16px;font-weight:600}.call-controls-buttons{display:flex;align-items:center;justify-content:center;gap:16px}.call-ctrl-btn{width:56px;height:56px;border-radius:50%;border:none;background:var(--bg-tertiary);color:var(--text-primary);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;transition:all .2s}.call-ctrl-btn:hover{background:var(--border-light)}.call-ctrl-btn .ctrl-icon{font-size:1.2rem;line-height:1}.call-ctrl-btn .ctrl-label{font-size:.55rem;color:var(--text-secondary);line-height:1}.call-ctrl-active{background:var(--danger)!important;color:#fff}.call-ctrl-active .ctrl-label{color:#fffc}.call-ctrl-end{background:var(--danger)!important;color:#fff;box-shadow:0 0 16px #ef44444d}.call-ctrl-end:hover{background:#dc2626!important;transform:scale(1.05)}.voice-call{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;padding:40px;background:var(--bg-primary)}.voice-call-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.voice-call-avatar{position:relative}.voice-call-waveform{display:flex;align-items:center;justify-content:center;gap:3px;height:30px;margin-top:16px}.wave-bar{width:4px;height:100%;background:var(--primary);border-radius:2px;animation:waveAnim .8s infinite ease-in-out}@keyframes waveAnim{0%,to{height:8px}50%{height:24px}}.voice-call-name{font-size:1.3rem}.voice-call-status{color:var(--text-secondary);font-size:.9rem}.video-call{position:relative;display:flex;flex-direction:column;height:100%;background:#000}.video-call-remote{flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.remote-video{width:100%;height:100%;object-fit:cover}.video-call-placeholder{text-align:center;color:#fff}.video-call-placeholder h2{margin-top:16px;font-size:1.2rem}.call-status-text{color:#fff9;font-size:.9rem;margin-top:8px}.video-call-local{position:absolute;top:16px;right:16px;width:140px;height:100px;border-radius:var(--radius-md);overflow:hidden;border:2px solid rgba(255,255,255,.3);background:var(--bg-tertiary);z-index:10}.local-video{width:100%;height:100%;object-fit:cover}.local-video-placeholder,.local-video-off{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--text-muted)}@media (max-width: 768px){.video-call-local{width:100px;height:72px;top:8px;right:8px}.incoming-call-card{padding:24px;max-width:300px}.call-btn{width:56px;height:56px}.call-ctrl-btn{width:48px;height:48px}}.chat-input-container{position:relative}.upload-progress-list{padding:0 20px 8px;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border);background:var(--bg-secondary)}.cancel-all-btn{align-self:flex-end;font-size:.75rem;padding:2px 10px}.upload-progress{padding:8px 0;border-radius:var(--radius-sm)}.upload-progress-info{display:flex;align-items:center;gap:10px}.upload-progress-icon{font-size:1.2rem;flex-shrink:0}.upload-progress-details{flex:1;min-width:0;display:flex;flex-direction:column}.upload-progress-name{font-size:.8rem;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-progress-size{font-size:.7rem;color:var(--text-muted)}.upload-progress-status{flex-shrink:0}.upload-progress-bar-track{height:3px;background:var(--bg-tertiary);border-radius:2px;margin-top:6px;overflow:hidden}.upload-progress-bar-fill{height:100%;border-radius:2px;transition:width .2s ease}.upload-progress-text{font-size:.7rem;color:var(--text-muted);margin-top:2px}.upload-error .upload-progress-text{color:var(--danger)}.upload-cancelled .upload-progress-text{color:var(--text-muted);font-style:italic}.upload-drop-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172ad9;display:flex;align-items:center;justify-content:center;z-index:9999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.upload-drop-content{text-align:center;padding:40px;border:2px dashed var(--primary);border-radius:var(--radius-lg);background:var(--bg-card)}.upload-drop-icon{font-size:3rem;display:block;margin-bottom:16px}.upload-drop-content p{color:var(--text-secondary);font-size:1.1rem}.image-message{max-width:280px;cursor:pointer}.media-image{max-width:100%;max-height:300px;border-radius:var(--radius-sm);display:block;transition:opacity .2s}.media-image:hover{opacity:.95}.media-skeleton{background:var(--bg-tertiary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.8rem;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.media-error{background:var(--bg-tertiary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--danger);font-size:.8rem;padding:40px;text-align:center}.media-caption{font-size:.85rem;margin-top:4px;color:inherit}.lightbox-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000eb;display:flex;align-items:center;justify-content:center;z-index:10000;padding:40px;cursor:pointer}.lightbox-content{position:relative;max-width:90vw;max-height:90vh;cursor:default;text-align:center}.lightbox-image{max-width:100%;max-height:80vh;border-radius:var(--radius-md);display:block}.lightbox-caption{color:var(--text-secondary);font-size:.9rem;margin-top:12px}.lightbox-close{position:absolute;top:-40px;right:-8px;background:none;border:none;color:#fff;font-size:2rem;cursor:pointer;opacity:.7;transition:opacity .2s;line-height:1}.lightbox-close:hover{opacity:1}.lightbox-download{margin-top:16px;color:var(--primary);border-color:var(--primary)}.lightbox-download:hover{background:var(--primary);color:#fff}.video-message{max-width:280px}.video-player-wrapper{position:relative;cursor:pointer;border-radius:var(--radius-sm);overflow:hidden}.media-video{max-width:100%;max-height:280px;display:block;border-radius:var(--radius-sm)}.video-play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:#0000004d;transition:background .2s}.video-player-wrapper:hover .video-play-overlay{background:#0006}.video-playing .video-play-overlay{opacity:0}.video-player-wrapper:hover .video-playing.video-play-overlay{opacity:1}.video-play-icon{font-size:2.5rem;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.5)}.video-duration-badge{position:absolute;bottom:8px;right:8px;background:#000000b3;color:#fff;font-size:.75rem;padding:2px 8px;border-radius:4px}.voice-message{min-width:220px;max-width:280px}.voice-player{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--bg-secondary);border-radius:var(--radius-md)}.message-own .voice-player{background:#ffffff1a}.voice-play-btn{flex-shrink:0;width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;font-size:.9rem;border-radius:50%}.voice-progress-area{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.voice-progress-track{height:4px;background:var(--bg-tertiary);border-radius:2px;cursor:pointer;overflow:hidden;position:relative}.message-own .voice-progress-track{background:#fff3}.voice-progress-fill{height:100%;background:var(--primary);border-radius:2px;transition:width .1s linear}.voice-time{font-size:.65rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.voice-speed-btn,.voice-download-btn{flex-shrink:0;font-size:.7rem;padding:2px 6px;border-radius:4px;min-width:unset}.file-message{min-width:200px;max-width:280px}.file-card{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--bg-secondary);border-radius:var(--radius-md);text-decoration:none!important;color:inherit;transition:background .2s}.file-card:hover{background:var(--bg-tertiary)}.message-own .file-card{background:#ffffff14}.message-own .file-card:hover{background:#ffffff1f}.file-icon{width:44px;height:44px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1px;flex-shrink:0}.file-emoji{font-size:1.2rem;line-height:1}.file-type-badge{font-size:.55rem;font-weight:700;text-transform:uppercase;line-height:1}.file-details{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.file-name{font-size:.85rem;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{font-size:.7rem;color:var(--text-muted)}.file-download-icon{font-size:1rem;opacity:.5;flex-shrink:0;transition:opacity .2s}.file-card:hover .file-download-icon{opacity:1}.tab-panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.tab-panel-header h2{margin-bottom:0}.search-users-page{min-height:100vh;background:var(--bg-primary)}.page-header{display:flex;align-items:center;gap:12px;padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.page-header h1{font-size:1.3rem}.search-container{max-width:700px;margin:0 auto;padding:24px}.search-input-wrapper{display:flex;align-items:center;gap:8px}.search-spinner{font-size:.8rem;color:var(--text-muted);white-space:nowrap}.search-hint,.search-redirect-hint{margin-top:8px;font-size:.85rem;color:var(--text-muted)}.search-placeholder,.search-empty{text-align:center;padding:60px 20px;color:var(--text-muted)}.search-results{margin-top:16px;display:flex;flex-direction:column;gap:4px}.user-card{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .2s}.user-card:hover{border-color:var(--border-light)}.user-card-avatar{flex-shrink:0}.user-card-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.user-card-name{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;color:var(--text-primary)}.user-card-username{font-size:.8rem;color:var(--text-muted);margin-top:2px}.user-card-actions{flex-shrink:0}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:20px}.page-info{font-size:.85rem;color:var(--text-secondary)}.dashboard-tabs{display:flex;gap:4px;margin-bottom:24px;padding-bottom:12px;border-bottom:1px solid var(--border)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;background:var(--danger);color:#fff;font-size:.7rem;font-weight:700;border-radius:10px;margin-left:6px}.dashboard-content{min-height:300px}.tab-panel h2{font-size:1.1rem;margin-bottom:16px;color:var(--text-primary)}.request-section{margin-bottom:24px}.request-section h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}.empty-hint{font-size:.85rem;color:var(--text-muted);padding:16px 0}.loading-spinner{padding:40px;text-align:center;color:var(--text-muted);font-size:.9rem}.friend-request-card{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px;transition:border-color .2s}.friend-request-card:hover{border-color:var(--border-light)}.request-user{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.request-user-info{display:flex;flex-direction:column}.request-username{font-weight:600;font-size:.9rem;color:var(--text-primary)}.request-meta{font-size:.75rem;color:var(--text-muted)}.request-status-area{display:flex;align-items:center;gap:12px}.request-actions{display:flex;gap:6px}.status-badge{display:inline-block;padding:3px 8px;border-radius:10px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.03em}.status-pending{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.status-accepted{background:#22c55e26;color:#86efac;border:1px solid rgba(34,197,94,.3)}.status-rejected{background:#ef444426;color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.status-cancelled{background:#64748b26;color:#94a3b8;border:1px solid rgba(100,116,139,.3)}.friend-list{display:flex;flex-direction:column;gap:4px}.friend-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .2s}.friend-item:hover{border-color:var(--border-light)}.friend-avatar{position:relative;flex-shrink:0}.online-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;background:var(--success);border:2px solid var(--bg-card);border-radius:50%}.friend-info{flex:1;min-width:0}.friend-name{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.9rem;color:var(--text-primary)}.friend-meta{font-size:.8rem;color:var(--text-muted);margin-top:2px}.friend-actions{flex-shrink:0}.anonymous-badge{display:inline-block;padding:2px 6px;font-size:.65rem;font-weight:600;background:#6366f126;color:#a5b4fc;border-radius:4px;text-transform:uppercase;letter-spacing:.03em}.admin-dashboard{min-height:100vh;background:var(--bg-primary)}.admin-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.admin-header h1{font-size:1.4rem}.admin-role-badge{padding:4px 12px;background:#6366f133;border:1px solid var(--primary);border-radius:20px;color:var(--primary);font-size:.8rem;font-weight:600;text-transform:uppercase}.admin-tabs{display:flex;gap:4px;padding:12px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.tab{padding:8px 20px;background:transparent;border:none;color:var(--text-secondary);font-size:.9rem;cursor:pointer;border-radius:var(--radius-sm);transition:all .2s;font-weight:500}.tab:hover{background:var(--bg-tertiary);color:var(--text-primary)}.tab.active{background:var(--primary);color:#fff}.admin-content{padding:24px;max-width:1200px;margin:0 auto}.loading{text-align:center;padding:60px;color:var(--text-muted);font-size:1rem}.empty-state{text-align:center;padding:40px;color:var(--text-muted);font-size:.95rem}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;text-align:center;transition:border-color .2s}.stat-card:hover{border-color:var(--primary)}.stat-card h3{font-size:.85rem;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary)}.admin-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius-md);overflow:hidden}.admin-table th{background:var(--bg-secondary);padding:12px 16px;text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-weight:600}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--border);font-size:.9rem}.admin-table tr:hover td{background:var(--bg-tertiary)}.report-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;margin-bottom:12px}.report-card p{margin-bottom:8px;font-size:.9rem;color:var(--text-secondary)}.report-card p strong{color:var(--text-primary)}.report-actions{display:flex;gap:8px;margin-top:12px}.page-container{min-height:100vh;background:var(--bg-primary)}.profile-settings{max-width:760px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:24px}.settings-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px}.profile-preview{display:flex;align-items:center;gap:20px}.profile-preview-info h2{font-size:1.25rem;margin-bottom:6px}.profile-preview-info p{color:var(--text-secondary);max-width:520px}.settings-form{display:flex;flex-direction:column;gap:4px}.form-help{margin-top:6px;font-size:.8rem;color:var(--text-muted)}.settings-actions{display:flex;justify-content:flex-end;margin-top:8px}.privacy-settings{max-width:640px;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:24px}.privacy-status-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}.privacy-status-card h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:12px}.status-info{display:flex;flex-direction:column;gap:12px}.privacy-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#6366f126;border:1px solid rgba(99,102,241,.3);border-radius:20px;font-size:.9rem;font-weight:600;color:#a5b4fc;width:fit-content}.alias-display{display:flex;align-items:center;gap:12px}.alias-label{font-size:.85rem;color:var(--text-muted)}.alias-name{font-size:1.1rem;font-weight:700;color:var(--primary)}.privacy-levels{display:flex;flex-direction:column;gap:12px}.privacy-levels h3{font-size:1rem}.section-desc{color:var(--text-secondary);font-size:.85rem}.level-cards{display:flex;flex-direction:column;gap:8px}.level-card{display:flex;align-items:center;gap:14px;padding:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all .2s;text-align:left;color:inherit;width:100%}.level-card:hover{border-color:var(--border-light);background:var(--bg-secondary)}.level-card.active{border-color:var(--primary);background:#6366f114}.level-icon{font-size:1.5rem;flex-shrink:0}.level-info{flex:1;display:flex;flex-direction:column;gap:2px}.level-name{font-weight:600;font-size:.95rem;color:var(--text-primary)}.level-desc{font-size:.8rem;color:var(--text-secondary)}.level-check{flex-shrink:0;color:var(--success);font-weight:700;font-size:1.2rem}.visibility-preview{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px}.visibility-preview h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:16px}.preview-card{display:flex;align-items:center;gap:14px;padding:14px;background:var(--bg-secondary);border-radius:var(--radius-sm);margin-bottom:16px}.preview-avatar{width:48px;height:48px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.preview-info{display:flex;flex-direction:column;gap:2px}.preview-name{font-weight:600;font-size:1rem}.preview-status{font-size:.8rem;color:var(--text-muted)}.visibility-details{list-style:none;display:flex;flex-direction:column}.visibility-details li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);font-size:.85rem}.visibility-details li:last-child{border-bottom:none}.visibility-details li span:first-child{color:var(--text-secondary)}.visibility-details li span:last-child{color:var(--text-primary);font-weight:500}.reports-page{max-width:640px;margin:0 auto;padding:24px}.reports-list{display:flex;flex-direction:column;gap:8px}.report-history-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px}.report-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}.report-type-icon{font-size:1.3rem;flex-shrink:0}.report-type-info{flex:1;display:flex;flex-direction:column}.report-type-label{font-weight:600;font-size:.85rem}.report-date{font-size:.75rem;color:var(--text-muted)}.report-status{font-size:.8rem;padding:3px 10px;border-radius:10px;font-weight:600}.status-pending{background:#f59e0b26;color:#fbbf24}.status-under_review{background:#6366f126;color:#a5b4fc}.status-resolved{background:#22c55e26;color:#86efac}.status-dismissed{background:#64748b26;color:#94a3b8}.status-escalated{background:#ef444426;color:#fca5a5}.report-reason{font-size:.9rem;color:var(--text-secondary);margin-bottom:4px}.report-description{font-size:.8rem;color:var(--text-muted);padding:8px;background:var(--bg-secondary);border-radius:var(--radius-sm);margin-bottom:8px}.report-notes{font-size:.8rem;color:var(--text-muted);padding:8px;background:#6366f114;border-radius:var(--radius-sm)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);max-width:500px;width:100%;box-shadow:var(--shadow-lg);max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px;border-bottom:1px solid var(--border)}.modal-header h3{font-size:1.1rem}.modal-close{background:none;border:none;color:var(--text-secondary);font-size:1.5rem;cursor:pointer;padding:4px;line-height:1}.modal-close:hover{color:var(--text-primary)}.modal-body{padding:20px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;padding:16px 20px;border-top:1px solid var(--border)}.report-form{padding:20px}.report-types-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px}.report-type-btn{display:flex;align-items:center;gap:8px;padding:10px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;color:var(--text-secondary);font-size:.8rem}.report-type-btn:hover{border-color:var(--border-light);color:var(--text-primary)}.report-type-btn.active{border-color:var(--primary);background:#6366f11a;color:var(--primary)}.form-input{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem}.form-input:focus{outline:none;border-color:var(--primary)}.form-textarea{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;resize:vertical;min-height:60px;font-family:inherit}.form-textarea:focus{outline:none;border-color:var(--primary)}.char-count{display:block;text-align:right;font-size:.7rem;color:var(--text-muted);margin-top:2px}.form-select{padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.85rem;cursor:pointer}.form-select:focus{outline:none;border-color:var(--primary)}.blocked-users-list{display:flex;flex-direction:column;gap:4px}.blocked-count{font-size:.8rem;color:var(--text-muted);margin-bottom:8px}.blocked-user-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .2s}.blocked-user-item:hover{border-color:var(--border-light)}.blocked-user-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.blocked-user-avatar{width:36px;height:36px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem;color:var(--text-secondary);flex-shrink:0}.blocked-user-details{display:flex;flex-direction:column}.blocked-user-name{font-weight:600;font-size:.9rem;color:var(--text-primary)}.blocked-date{font-size:.75rem;color:var(--text-muted)}.empty-state-sm{padding:20px;text-align:center;color:var(--text-muted);font-size:.9rem}.loading-sm{padding:20px;text-align:center;color:var(--text-muted);font-size:.85rem}.admin-reports{display:flex;flex-direction:column;gap:16px}.report-filters{display:flex;align-items:center;justify-content:space-between;gap:12px}.report-count{font-size:.85rem;color:var(--text-muted)}.reports-admin-list{display:flex;flex-direction:column;gap:10px}.report-admin-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;transition:border-color .2s}.report-admin-card:hover{border-color:var(--border-light)}.report-admin-card.status-pending{border-left:3px solid #f59e0b}.report-admin-card.status-under_review{border-left:3px solid var(--primary)}.report-admin-card.status-resolved{border-left:3px solid var(--success)}.report-admin-card.status-dismissed{border-left:3px solid var(--text-muted);opacity:.7}.report-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.report-meta{display:flex;align-items:center;gap:8px}.report-type-badge{padding:3px 10px;background:var(--bg-tertiary);border-radius:10px;font-size:.75rem;font-weight:600}.report-status-badge{padding:3px 10px;border-radius:10px;font-size:.7rem;font-weight:700}.report-card-body{margin-bottom:12px}.report-card-body p{font-size:.85rem;color:var(--text-secondary);margin-bottom:6px}.report-card-body p strong{color:var(--text-primary)}.report-users{display:flex;gap:20px;font-size:.8rem;color:var(--text-secondary);margin-top:8px}.report-card-actions{display:flex;justify-content:flex-end;gap:8px;padding-top:8px;border-top:1px solid var(--border)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}@media (max-width: 768px){.dashboard-header{padding:12px 16px}.dashboard-main{padding:16px}.dashboard-grid{grid-template-columns:1fr}.auth-card{padding:24px}.message{max-width:85%}.analytics-grid{grid-template-columns:repeat(2,1fr)}.chat-sidebar{display:none}.chat-sidebar.visible{display:flex;width:100%;min-width:100%}.chat-main{display:none}.chat-main.visible{display:flex}.mobile-back{display:flex!important}}