:root{--bg:#0d0d0d;--bg-card:#1a1a1a;--bg-input:#252525;--border:#333;--text:#e0e0e0;--text-muted:#888;--accent:#3b82f6;--accent-hover:#2563eb;--danger:#ef4444;--danger-hover:#dc2626;--secondary:#374151;--secondary-hover:#4b5563;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.app{flex-direction:column;min-height:100vh;display:flex}.login-container{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.login-container .logo{color:var(--accent);margin-bottom:1rem}.login-container h1{margin-bottom:.5rem;font-size:1.8rem;font-weight:600}.login-container>p{color:var(--text-muted);margin-bottom:2rem}.btn-login{align-items:center;gap:.5rem;display:flex;padding:.8rem 2rem!important;font-size:1rem!important}.header{background:var(--bg-card);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:.8rem 1.5rem;display:flex}.header-left{color:var(--accent);align-items:center;gap:.6rem;display:flex}.header-left h1{color:var(--text);font-size:1.1rem;font-weight:600}.header-right{align-items:center;gap:1rem;display:flex}.user-name{color:var(--text-muted);font-size:.85rem}.btn{border-radius:var(--radius);cursor:pointer;color:#fff;border:none;padding:.5rem 1.2rem;font-size:.9rem;font-weight:500;transition:background .15s}.btn-primary{background:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--secondary)}.btn-secondary:hover:not(:disabled){background:var(--secondary-hover)}.btn-danger{background:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-small{background:var(--secondary);padding:.3rem .8rem;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed}.main{flex:1;width:100%;max-width:900px;margin:0 auto;padding:2rem 1.5rem}.input-section{margin-bottom:2rem}.input-group{gap:.5rem;display:flex}.input-group input{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);outline:none;flex:1;padding:.7rem 1rem;font-size:.95rem;transition:border-color .15s}.input-group input:focus{border-color:var(--accent)}.input-group input::placeholder{color:#555}.video-title-preview{color:var(--text-muted);margin-top:.5rem;font-size:.85rem}.message{color:var(--accent);margin-top:.5rem;font-size:.85rem}.player-section{border-radius:var(--radius);background:#000;margin-bottom:2rem;overflow:hidden}.player-header{background:var(--bg-card);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:.6rem 1rem;display:flex}.player-title{font-size:.9rem;font-weight:500}.stream-badge{color:var(--text-muted);margin-left:.8rem;font-size:.75rem;font-weight:400}.player-container{aspect-ratio:16/9;background:#000;width:100%;position:relative}.player-container video{object-fit:contain;width:100%;height:100%;display:block}.stream-loading{color:#f0a;font-size:.8rem;font-weight:400}.status-section{text-align:center;color:var(--text-muted);padding:2rem}.hint{color:var(--text-muted);margin-top:.5rem;font-size:.85rem}@media (width<=600px){.input-group{flex-direction:column}.header{padding:.6rem 1rem}.main{padding:1rem}.header-left h1{font-size:1rem}}