:root{--bg-color:#0f172a;--panel-bg:#1e293bb3;--panel-border:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#3b82f6;--accent-hover:#2563eb;--accent-glow:#3b82f680;--success:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(circle at 15%,#3b82f626,#0000 25%),radial-gradient(circle at 85% 30%,#8b5cf626,#0000 25%);min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--panel-border);border-radius:16px;box-shadow:0 4px 30px #0000001a}.text-center{text-align:center}.mt-3{margin-top:.75rem}.w-full{width:100%}.primary-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-weight:600;transition:all .2s;box-shadow:0 0 15px #0000}.primary-btn:hover{background:var(--accent-hover);box-shadow:0 0 15px var(--accent-glow);transform:translateY(-1px)}.app-container{flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.app-container>.glass-panel{width:100%;max-width:800px;padding:3rem}.gradient-text{background:linear-gradient(135deg,#60a5fa,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:3rem;font-weight:800;line-height:1.2}.subtitle{color:var(--text-muted);margin-bottom:3rem;font-size:1.25rem}.role-selection{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;display:grid}.glass-button{color:var(--text-main);border:1px solid var(--panel-border);background:#ffffff08;border-radius:12px;flex-direction:column;align-items:center;padding:2.5rem 2rem;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.glass-button:hover{background:#ffffff14;border-color:#fff3;transform:translateY(-5px);box-shadow:0 10px 40px #0003}.btn-icon{width:64px;height:64px;color:var(--accent);background:#3b82f61a;border-radius:50%;justify-content:center;align-items:center;margin-bottom:1.5rem;display:flex}.glass-button h2{margin-bottom:.5rem;font-size:1.5rem}.glass-button p{color:var(--text-muted);text-align:center;font-size:.9rem}.manager-layout{justify-content:flex-start;padding-top:0}.glass-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--panel-border);z-index:10;background:#0f172acc;width:100%;padding:1rem 2rem;position:sticky;top:0}.header-content{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;display:flex}.back-link{color:var(--text-muted);font-weight:500;text-decoration:none;transition:color .2s}.back-link:hover{color:var(--text-main)}.content-area{width:100%;max-width:1200px;margin:0 auto;padding:2rem}.content-area>.glass-panel{padding:2rem}.panel-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.video-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.video-card{flex-direction:column;padding:1.5rem;transition:transform .2s;display:flex}.video-card:hover{transform:translateY(-2px)}.video-card h4{word-break:break-all;margin-bottom:.5rem;font-size:1.1rem}.video-meta{color:var(--text-muted);flex-grow:1;margin-bottom:1rem;font-size:.875rem}.loading-spinner{border:3px solid #ffffff1a;border-top-color:var(--accent);border-radius:50%;width:40px;height:40px;margin:2rem auto;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state,.error-state{text-align:center;color:var(--text-muted);padding:3rem}.toast{background:var(--success);color:#fff;opacity:0;z-index:100;border-radius:8px;padding:1rem 2rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);position:fixed;bottom:2rem;right:2rem;transform:translateY(100px);box-shadow:0 4px 20px #10b9814d}.toast.show{opacity:1;transform:translateY(0)}.presenter-body{background:#000;justify-content:center;align-items:center;height:100vh;margin:0;display:flex;overflow:hidden}.idle-screen{background-image:radial-gradient(circle,#3b82f61a,#0000 50%);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.idle-content{text-align:center;padding:4rem}.video-container{background:#000;width:100vw;height:100vh}.plyr{width:100vw!important;height:100vh!important}.plyr__video-wrapper{height:100%}.plyr video{object-fit:contain}