:root{--bg-color: #0a0c10;--surface-color: #14171e;--card-color: #1a1e28;--primary-color: #6366f1;--primary-hover: #4f46e5;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--border-color: rgba(255, 255, 255, .06);font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text-primary);background-color:var(--bg-color)}*{box-sizing:border-box;margin:0;padding:0}body{min-height:100vh;background:var(--bg-color);display:flex;justify-content:center}.login-container{display:flex;justify-content:center;align-items:center;width:100%;min-height:100vh;background:radial-gradient(circle at top right,#1f1b40,#0a0c10)}.login-box{background:var(--surface-color);padding:40px;border-radius:24px;width:100%;max-width:420px;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border-color);text-align:center}.login-box h2{font-size:28px;margin-bottom:8px;background:linear-gradient(135deg,#a855f7,#6366f1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.login-box p{color:var(--text-secondary);font-size:14px;margin-bottom:24px}.login-box input{margin-bottom:16px;width:100%}.login-box button[type=submit]{width:100%;margin-top:8px}.auth-tabs{display:flex;margin-bottom:24px;background:#0000004d;border-radius:12px;padding:4px}.auth-tab{flex:1;padding:10px 16px;border:none;border-radius:10px;background:transparent;color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.auth-tab:hover{color:var(--text-primary);background:transparent;transform:none}.auth-tab.active{background:var(--primary-color);color:#fff;box-shadow:0 2px 8px #6366f14d}.auth-tab.active:hover{background:var(--primary-color)}.auth-error{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:10px 16px;border-radius:10px;font-size:13px;margin-bottom:16px;text-align:left}.loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--primary-color);border-radius:50%;margin:0 auto;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}input{background:#0000004d;border:1px solid var(--border-color);border-radius:10px;padding:12px 16px;color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s ease}input:focus{border-color:var(--primary-color)}button{background:var(--primary-color);color:#fff;border:none;border-radius:10px;padding:10px 20px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease;display:inline-flex;justify-content:center;align-items:center;gap:6px}button:hover{background:var(--primary-hover);transform:translateY(-1px)}button:active{transform:translateY(0)}button:disabled{opacity:.4;cursor:not-allowed;transform:none}.app-shell{width:100%;max-width:560px;min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--surface-color);border-bottom:1px solid var(--border-color)}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-title{font-size:18px;font-weight:700;background:linear-gradient(135deg,#a855f7,#6366f1);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.topbar-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary)}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--danger-color);flex-shrink:0}.status-dot.online{background:var(--success-color);box-shadow:0 0 8px var(--success-color)}.logout-btn{background:#ffffff0f;color:var(--text-secondary);padding:6px 14px;font-size:12px;border-radius:8px;border:1px solid var(--border-color)}.logout-btn:hover{background:#ef444426;color:#fca5a5;border-color:#ef44444d;transform:none}.nav-tabs{display:flex;background:var(--surface-color);border-bottom:1px solid var(--border-color)}.nav-tab{flex:1;padding:12px 0;border:none;border-radius:0;background:transparent;color:var(--text-muted);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;border-bottom:2px solid transparent}.nav-tab:hover{color:var(--text-primary);background:transparent;transform:none}.nav-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color);background:transparent}.main-content{flex:1;padding:24px;overflow-y:auto}.incoming-banner{background:#6366f114;border:1px solid rgba(99,102,241,.2);border-radius:16px;padding:20px 24px;margin-bottom:20px;animation:pulse-border 2s infinite}@keyframes pulse-border{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 8px #6366f100}to{box-shadow:0 0 #6366f100}}.incoming-header{display:flex;align-items:center;gap:8px;margin-bottom:4px}.incoming-label{font-size:11px;font-weight:700;color:var(--primary-color);text-transform:uppercase;letter-spacing:1px}.incoming-from{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:16px}.incoming-actions{display:flex;gap:12px}.incoming-actions button{flex:1;padding:12px;font-size:14px;border-radius:12px}button.btn-accept{background:var(--success-color)}button.btn-accept:hover{background:#059669}button.btn-decline{background:var(--danger-color)}button.btn-decline:hover{background:#dc2626}.section-title{font-size:15px;font-weight:600;color:var(--text-secondary);margin-bottom:12px}.user-list{list-style:none;display:flex;flex-direction:column;gap:8px}.user-card{display:flex;align-items:center;justify-content:space-between;background:var(--card-color);padding:14px 18px;border-radius:12px;border:1px solid var(--border-color);transition:all .2s ease}.user-card:hover{border-color:#6366f133}.user-info{display:flex;flex-direction:column;gap:2px}.user-name{font-weight:600;font-size:14px;color:var(--text-primary)}.user-role-tag{font-size:11px;color:var(--text-muted);font-weight:500}.call-btn{background:#6366f11f;color:var(--primary-color);padding:8px 18px;border-radius:10px;font-size:13px;font-weight:600;border:1px solid rgba(99,102,241,.2)}.call-btn:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.call-any-btn{width:100%;padding:16px;font-size:16px;border-radius:14px;background:var(--success-color);color:#fff;margin-bottom:8px}.call-any-btn:hover{background:#059669}.call-any-hint{text-align:center;font-size:12px;color:var(--text-muted);margin-bottom:20px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-icon{font-size:48px;margin-bottom:12px}.empty-state p{font-size:14px;color:var(--text-muted)}.call-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center}.call-avatar{width:96px;height:96px;border-radius:50%;background:linear-gradient(135deg,#4f46e5,#a855f7);display:flex;align-items:center;justify-content:center;font-size:36px;font-weight:700;color:#fff;margin-bottom:20px;box-shadow:0 0 40px #6366f133}.call-with-name{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.call-state{font-size:14px;color:var(--success-color);font-weight:500;margin-bottom:4px}.call-state.ringing{color:var(--warning-color)}.call-timer{font-size:48px;font-weight:200;color:var(--text-primary);margin:24px 0 40px;font-variant-numeric:tabular-nums;letter-spacing:2px}.call-warning{color:var(--warning-color);font-size:13px;margin-bottom:20px}.hangup-btn{background:var(--danger-color);color:#fff;padding:14px 48px;font-size:16px;border-radius:50px;font-weight:600}.hangup-btn:hover{background:#dc2626}.history-list{list-style:none;display:flex;flex-direction:column;gap:8px}.history-item{background:var(--card-color);border-radius:12px;padding:14px 18px;border:1px solid var(--border-color)}.history-item-main{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.history-peer{font-weight:600;font-size:14px;color:var(--text-primary)}.history-item-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px}.pagination button{background:#ffffff0f;border:1px solid var(--border-color);color:var(--text-primary);padding:6px 14px;border-radius:8px;font-size:12px}.pagination button:hover:not(:disabled){background:var(--primary-color);border-color:var(--primary-color)}.page-info{font-size:12px;color:var(--text-muted)}