*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}:root{--primary: #0078d4;--primary-dark: #005a9e;--bg-dark: #1a1a2e;--bg-medium: #16213e;--bg-light: #0f3460;--text-primary: #ffffff;--text-secondary: #a0a0a0;--accent: #e94560;--online: #4caf50;--away: #ffc107;--busy: #f44336;--offline: #9e9e9e}body{background:var(--bg-dark);color:var(--text-primary);height:100vh;overflow:hidden}#root{height:100vh}.app{display:flex;min-height:100vh}.auth-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;width:100%;background:linear-gradient(135deg,var(--bg-dark),var(--bg-medium));padding:24px}.auth-logo{width:72px;height:72px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;margin-bottom:20px;box-shadow:0 8px 32px 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.nudge-btn{margin-left:2px}.call-overlay{position:fixed;top:0;left:0;right:0;bottom:0;z-index:9999;display:flex;align-items:center;justify-content:center}.incoming-call{background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeIn .3s ease-out}.call-modal{text-align:center;padding:40px;background:var(--bg-medium);border-radius:24px;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 60px #00000080;animation:callBounce 1.5s ease-in-out infinite;max-width:300px;width:90%}.call-avatar-large{width:90px;height:90px;border-radius:50%;margin:0 auto 16px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;position:relative}.call-avatar-large:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:50%;border:3px solid var(--primary);animation:callPulseRing 1.5s ease-in-out infinite}.call-caller-name{font-size:22px;font-weight:600;margin-bottom:6px}.call-type-label{color:var(--text-secondary);font-size:14px;margin-bottom:30px}.call-actions-incoming{display:flex;gap:20px;justify-content:center}.call-action-btn{display:flex;flex-direction:column;align-items:center;gap:6px;border:none;cursor:pointer;padding:14px 24px;border-radius:16px;transition:all .2s;color:#fff;min-width:80px}.call-action-icon{font-size:28px}.call-action-label{font-size:12px;font-weight:500}.call-accept{background:var(--online)}.call-accept:hover{background:#43a047;transform:scale(1.05)}.call-reject{background:var(--busy)}.call-reject:hover{background:#e53935;transform:scale(1.05)}@keyframes callBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes callPulseRing{0%,to{opacity:.4;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}.active-call{background:#000;flex-direction:column}.call-video-container{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}.remote-video{width:100%;height:100%;object-fit:cover}.local-video{position:absolute;bottom:100px;right:20px;width:140px;height:105px;border-radius:12px;object-fit:cover;border:2px solid rgba(255,255,255,.2);z-index:10;background:#111}.call-info{position:absolute;top:30px;left:50%;transform:translate(-50%);text-align:center;z-index:10;background:#00000080;padding:10px 24px;border-radius:16px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.call-info h2{font-size:18px;font-weight:500}.call-timer{font-size:14px;color:var(--text-secondary);margin-top:2px}.call-controls{position:absolute;bottom:30px;left:50%;transform:translate(-50%);display:flex;gap:14px;z-index:10;background:#00000080;padding:12px 24px;border-radius:20px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.call-control-btn{width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:all .2s;background:#ffffff26;color:#fff}.call-control-btn:hover{background:#ffffff40}.call-control-btn.active{background:var(--primary)}.call-end-btn{background:var(--busy)!important;width:56px;height:56px;font-size:22px}.call-end-btn:hover{background:#e53935!important;transform:scale(1.05)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.call-video-container:empty,.call-video-container video:not([src]){display:none}.active-call:not(:has(.remote-video[src])){background:linear-gradient(135deg,var(--bg-dark),var(--bg-medium))}@media (max-width: 640px){.call-modal{padding:30px 20px}.call-avatar-large{width:72px;height:72px;font-size:30px}.call-caller-name{font-size:18px}.call-actions-incoming{gap:16px}.call-action-btn{padding:12px 20px;min-width:70px}.call-action-icon{font-size:24px}.local-video{width:100px;height:75px;bottom:120px;right:12px}.call-controls{gap:10px;padding:10px 18px}.call-control-btn{width:44px;height:44px;font-size:18px}.call-end-btn{width:50px;height:50px;font-size:20px}}