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var(--divider)}.call-control-btn{width:48px;height:48px;border-radius:50%;background:var(--bg-elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:all var(--transition-fast)}.call-control-btn:hover{background:var(--bg-hover)}.call-control-btn.active{background:var(--brand-500);border-color:var(--brand-600);color:#fff}.call-control-btn.danger{background:#c32222;border-color:#a51d1d;color:#fff}.side-panel{width:240px;background:var(--bg-panel);border-left:1px solid var(--divider);overflow-y:auto;flex-shrink:0;display:flex;flex-direction:column}.side-panel-header{padding:var(--space-4);border-bottom:1px solid var(--divider);font-size:.85rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em}.settings-page{max-width:700px;margin:0 auto;padding:var(--space-8) var(--space-4);width:100%}.settings-section{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin-bottom:var(--space-6)}.settings-section-title{padding:var(--space-4) var(--space-5);background:var(--bg-elevated);border-bottom:1px solid var(--border);font-weight:600;font-size:.95rem}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--divider)}.settings-row:last-child{border-bottom:none}.settings-row-label{font-size:.9rem;color:var(--text-primary)}.settings-row-desc{font-size:.8rem;color:var(--text-muted);margin-top:2px}.login-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg-app);position:relative;overflow:hidden}.login-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 60% 50% at 20% 60%,hsl(238 60% 20% / .4),transparent),radial-gradient(ellipse 40% 40% at 80% 30%,hsl(185 70% 20% / 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slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slide-in-right{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media (prefers-reduced-motion: 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var(--divider);background:var(--bg-panel)}.chat-view--empty{align-items:center;justify-content:center}.chat-header__info{display:flex;align-items:center;gap:var(--space-3);flex:1;min-width:0}.chat-header__icon{font-size:1.25rem;color:var(--text-muted);flex-shrink:0}.chat-header__name{font-size:1rem;font-weight:600;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header__desc{font-size:.78rem;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header__actions{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.chat-header__members-count{font-size:.8rem}.no-room-selected{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted)}.no-room-selected__inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-3)}.no-room-selected__icon{font-size:3rem;opacity:.3}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;gap:var(--space-4);color:var(--text-muted)}.spinner--sm{width:16px;height:16px}.spinner--lg{width:40px;height:40px;border-width:3px}.auth-page{min-height:100dvh;display:flex;align-items:center;justify-content:center;background:var(--bg-app);position:relative;overflow:hidden;padding:var(--space-4)}.auth-page:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 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var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:.9375rem;outline:none;transition:border-color var(--transition);box-sizing:border-box}.input:focus{border-color:var(--border-focus)}.input::placeholder{color:var(--text-muted)}.input--sm{font-size:.875rem;padding:var(--space-2) var(--space-3)}.form-error{padding:var(--space-2) var(--space-3);background:#391313;border:1px solid hsl(0 60% 35%);border-radius:var(--radius);font-size:.875rem;color:#f07575}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);border-radius:var(--radius);font-size:.9375rem;font-weight:500;cursor:pointer;border:none;transition:all 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