@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap";:root{--bg-primary:#0a0d14;--bg-secondary:#111520;--bg-tertiary:#181d2a;--bg-glass:#111520bf;--bg-glass-light:#1e243699;--text-primary:#f0f2f5;--text-secondary:#8b92a5;--text-muted:#555d73;--accent-red:#e74c5e;--accent-red-glow:#e74c5e66;--accent-blue:#4b7bec;--accent-blue-glow:#4b7bec4d;--accent-green:#26de81;--accent-green-glow:#26de8159;--accent-purple:#a55eea;--accent-orange:#fd9644;--accent-cyan:#45e6f5;--border-subtle:#ffffff0f;--border-medium:#ffffff1a;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.7rem;--font-size-sm:.8rem;--font-size-base:.925rem;--font-size-md:1.05rem;--font-size-lg:1.25rem;--font-size-xl:1.6rem;--font-size-2xl:2.2rem;--font-size-3xl:3rem;--font-size-hero:4.5rem;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 20px #0006;--shadow-lg:0 8px 40px #00000080;--shadow-glow-red:0 0 20px var(--accent-red-glow);--shadow-glow-green:0 0 30px var(--accent-green-glow);--shadow-glow-blue:0 0 20px var(--accent-blue-glow);--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s cubic-bezier(.16, 1, .3, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;overflow-x:hidden}#root{min-height:100vh}a{color:var(--accent-blue);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-cyan)}button{font-family:var(--font-family);cursor:pointer;border:none;outline:none}input,textarea,select{font-family:var(--font-family);outline:none}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes livePulse{0%{box-shadow:0 0 0 0 var(--accent-red-glow)}70%{box-shadow:0 0 0 8px #e74c5e00}to{box-shadow:0 0 #e74c5e00}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(100%)}to{opacity:1;transform:translateY(0)}}@keyframes countdownTick{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}@keyframes shimmer{0%{background-position:-200%}to{background-position:200%}}@keyframes glowPulse{0%,to{box-shadow:var(--shadow-glow-green)}50%{box-shadow:0 0 50px var(--accent-green-glow), 0 0 80px #26de8126}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes dotBlink{0%,to{opacity:1}50%{opacity:.3}}.topbar{padding:var(--space-md) var(--space-lg);background:var(--bg-glass);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);z-index:100;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.topbar__left{align-items:center;gap:var(--space-md);display:flex}.topbar__live-badge{background:var(--accent-red);color:#fff;border-radius:var(--radius-full);font-size:var(--font-size-xs);text-transform:uppercase;letter-spacing:1px;align-items:center;gap:6px;padding:4px 12px;font-weight:700;animation:2s infinite livePulse;display:flex}.topbar__live-dot{background:#fff;border-radius:50%;width:6px;height:6px;animation:1.5s infinite dotBlink}.topbar__viewers{color:var(--text-secondary);font-size:var(--font-size-sm);align-items:center;gap:6px;font-weight:500;display:flex}.topbar__viewers svg{width:16px;height:16px;fill:var(--text-secondary)}.topbar__title{font-size:var(--font-size-md);color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:500px;font-weight:600;overflow:hidden}.topbar__right{align-items:center;gap:var(--space-md);display:flex}.webinar-layout{height:calc(100vh - 57px);display:flex;overflow:hidden}.webinar-main{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.video-container{background:#000;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.video-container iframe{pointer-events:none;border:none!important;width:100%!important;height:100%!important}.yt-block-overlay{z-index:5;cursor:default;-webkit-user-select:none;user-select:none;background:0 0;position:absolute;inset:0}.video-container:after{content:"";z-index:6;background:#000;width:120px;height:40px;position:absolute;bottom:0;right:0}.yt-play-overlay{z-index:10;cursor:pointer;transition:background var(--transition-base);background:#00000080;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.yt-play-overlay:hover{background:#00000059}.yt-play-btn{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:80px;height:80px;transition:all var(--transition-base);background:#ffffff26;border:2px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;display:flex}.yt-play-overlay:hover .yt-play-btn{background:#ffffff40;border-color:#ffffff80;transform:scale(1.1)}.yt-play-btn svg{margin-left:4px}.video-container{-webkit-user-select:none;user-select:none}.chat-panel{background:var(--bg-secondary);border-left:1px solid var(--border-subtle);flex-direction:column;width:360px;min-width:360px;animation:.5s fadeIn;display:flex}.chat-panel__header{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;display:flex}.chat-panel__header h3{font-size:var(--font-size-sm);color:var(--text-primary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.chat-panel__header span{font-size:var(--font-size-xs);color:var(--text-muted)}.chat-panel__messages{padding:var(--space-md);gap:var(--space-sm);flex-direction:column;flex:1;display:flex;overflow-y:auto}.chat-message{gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:background var(--transition-fast);animation:.3s fadeInUp;display:flex}.chat-message:hover{background:var(--bg-glass-light)}.chat-message__avatar{width:32px;min-width:32px;height:32px;font-size:var(--font-size-xs);color:#fff;text-transform:uppercase;border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}.chat-message__content{flex:1;min-width:0}.chat-message__name{font-size:var(--font-size-xs);color:var(--text-secondary);margin-bottom:2px;font-weight:600}.chat-message__text{font-size:var(--font-size-sm);color:var(--text-primary);word-wrap:break-word;line-height:1.4}.chat-message__time{color:var(--text-muted);margin-top:2px;font-size:.65rem}.chat-panel__input-area{padding:var(--space-md);border-top:1px solid var(--border-subtle);gap:var(--space-sm);display:flex}.chat-panel__input{padding:var(--space-sm) var(--space-md);background:var(--bg-tertiary);border:1px solid var(--border-medium);border-radius:var(--radius-full);color:var(--text-primary);font-size:var(--font-size-sm);transition:border-color var(--transition-fast);flex:1}.chat-panel__input::placeholder{color:var(--text-muted)}.chat-panel__input:focus{border-color:var(--accent-blue)}.chat-panel__send-btn{background:var(--accent-blue);color:#fff;width:36px;height:36px;transition:all var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex}.chat-panel__send-btn:hover{background:#5a87ee;transform:scale(1.05)}.chat-panel__send-btn svg{fill:#fff;width:16px;height:16px}.cta-container{bottom:var(--space-xl);z-index:10;animation:.6s cubic-bezier(.16,1,.3,1) slideUp;position:absolute;left:50%;transform:translate(-50%)}.cta-button{align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);background:linear-gradient(135deg, var(--accent-green) 0%, #20c997 100%);color:#0a0d14;font-size:var(--font-size-md);border-radius:var(--radius-full);transition:all 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var(--border-medium);border-radius:var(--radius-lg);width:90px;height:90px;font-size:var(--font-size-3xl);color:var(--text-primary);font-variant-numeric:tabular-nums;transition:all var(--transition-base);justify-content:center;align-items:center;font-weight:800;display:flex}.countdown-timer__label{font-size:var(--font-size-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-weight:600}.countdown-timer__separator{font-size:var(--font-size-2xl);color:var(--text-muted);align-items:center;padding-bottom:20px;animation:1.5s infinite pulse;display:flex}.session-ended{background:var(--bg-primary);text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;animation:.6s fadeIn;display:flex}.session-ended__icon{background:var(--bg-glass);border:1px solid var(--border-medium);width:80px;height:80px;margin-bottom:var(--space-lg);border-radius:50%;justify-content:center;align-items:center;display:flex}.session-ended__icon svg{width:36px;height:36px;fill:var(--text-muted)}.session-ended__title{font-size:var(--font-size-xl);color:var(--text-primary);margin-bottom:var(--space-sm);font-weight:700}.session-ended__text{font-size:var(--font-size-base);color:var(--text-secondary);max-width:400px;line-height:1.6}.admin-page{background:var(--bg-primary);min-height:100vh;padding:var(--space-2xl)}.admin-page__header{text-align:center;margin-bottom:var(--space-2xl);animation:.5s fadeInUp}.admin-page__logo{align-items:center;gap:var(--space-sm);font-size:var(--font-size-lg);color:var(--text-primary);margin-bottom:var(--space-sm);font-weight:800;display:inline-flex}.admin-page__logo-icon{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--accent-blue), var(--accent-purple));justify-content:center;align-items:center;width:40px;height:40px;display:flex}.admin-page__logo-icon 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var(--border-medium);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-sm);transition:all var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #4b7bec26}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.form-group textarea{resize:vertical;min-height:140px;font-family:Courier New,monospace;font-size:var(--font-size-xs);line-height:1.6}.form-group__hint{font-size:var(--font-size-xs);color:var(--text-muted);margin-top:var(--space-xs)}.form-row{gap:var(--space-md);grid-template-columns:1fr 1fr;display:grid}.admin-form__actions{gap:var(--space-md);margin-top:var(--space-xl);justify-content:center;display:flex}.btn{align-items:center;gap:var(--space-sm);border-radius:var(--radius-full);font-size:var(--font-size-sm);transition:all var(--transition-base);padding:12px 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(width<=900px){.webinar-layout{flex-direction:column;height:auto;min-height:calc(100vh - 57px)}.video-container{aspect-ratio:16/9;flex:none}.chat-panel{border-left:none;border-top:1px solid var(--border-subtle);width:100%;min-width:100%;height:350px}.topbar__title{max-width:200px;font-size:var(--font-size-sm)}.countdown-timer__value{width:70px;height:70px;font-size:var(--font-size-2xl)}.countdown-page__title{font-size:var(--font-size-xl);padding:0 var(--space-md)}.admin-page{padding:var(--space-lg)}.form-row{grid-template-columns:1fr}.cta-container{bottom:var(--space-md)}.cta-button{font-size:var(--font-size-sm);padding:12px var(--space-lg)}}@media (width<=480px){.topbar{padding:var(--space-sm) var(--space-md)}.topbar__viewers{display:none}.countdown-timer{gap:var(--space-sm)}.countdown-timer__value{width:60px;height:60px;font-size:var(--font-size-xl)}}.toast{top:var(--space-lg);right:var(--space-lg);padding:var(--space-md) 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h1{margin-top:16px;font-size:1.8rem}.login-card__header p{color:var(--text-secondary);margin-bottom:30px}.login-card__logo{color:var(--accent-blue)}.login-card__logo svg{width:48px;height:48px}.login-form{text-align:left}.form-group{margin-bottom:20px}.form-group label{color:var(--text-secondary);margin-bottom:8px;font-size:.85rem;display:block}.form-group input,.form-group textarea{background:var(--bg-secondary);border:1px solid var(--border-medium);border-radius:var(--radius-md);width:100%;color:var(--text-primary);padding:12px 16px;transition:all .2s}.form-group input:focus{border-color:var(--accent-blue);box-shadow:0 0 0 4px var(--accent-blue-glow);outline:none}.login-btn,.btn-primary{background:var(--accent-blue);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;padding:12px;font-weight:600;transition:transform .2s,background .2s}.login-btn:hover,.btn-primary:hover{background:#3c6ad8;transform:translateY(-1px)}.login-error{border:1px solid 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.2s}.btn-action:hover{background:var(--bg-tertiary);border-color:var(--border-medium)}.btn-danger:hover{color:var(--accent-red);border-color:var(--accent-red)}.btn-ghost{border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;background:0 0;padding:8px 16px}.status-screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:20px;height:100vh;padding:20px;display:flex}.error-icon{font-size:3rem}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-medium);border-radius:var(--radius-md);cursor:pointer;padding:12px 24px}.form-row{gap:20px;display:flex}.flex-1{flex:1}.flex-2{flex:2}.admin-form-page{background:var(--bg-secondary);min-height:100vh;padding:40px 20px}.admin-form-container{max-width:800px;margin:0 auto}.form-header{margin-bottom:30px}.btn-back{color:var(--accent-blue);cursor:pointer;background:0 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