:root{--bg: #0b0f14;--bg-raise: #131a23;--bg-card: #1a2330;--line: #263242;--text: #e8eef6;--text-dim: #8fa1b8;--accent: #ff2ea6;--accent-deep: #c2007a;--danger: #f87171;--radius: 14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}body{overscroll-behavior:none}button{font:inherit;color:inherit;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;min-height:64px;padding:0 20px}button:active{background:var(--bg-raise)}input{font:inherit;color:var(--text);background:var(--bg-raise);border:1px solid var(--line);border-radius:var(--radius);min-height:64px;padding:0 18px;width:100%}input:focus{outline:2px solid var(--accent-deep);border-color:transparent}.login-wrap{height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:min(440px,100%);background:var(--bg-raise);border:1px solid var(--line);border-radius:20px;padding:32px;display:flex;flex-direction:column;gap:16px}.brand{font-size:34px;font-weight:800;letter-spacing:-.3px;text-align:center;margin-bottom:8px;display:flex;align-items:center;justify-content:center;gap:14px}.brand em{color:var(--accent);font-style:normal}.brand-logo{width:52px;height:52px}.btn-primary{background:var(--accent-deep);border-color:transparent;font-weight:700;font-size:18px}.error-text{color:var(--danger);text-align:center;min-height:1.4em;margin:0}.topbar{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}.topbar h1{font-size:22px;margin:0;flex:1}.topbar .back{min-width:84px}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:24px}.tile{min-height:170px;border-radius:20px;font-size:26px;font-weight:700;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}.tile small{font-size:14px;font-weight:400;color:var(--text-dim)}.tile.disabled{opacity:.45}.group-chips{display:flex;gap:10px;overflow-x:auto;padding:12px 18px;scrollbar-width:none}.group-chips::-webkit-scrollbar{display:none}.chip{white-space:nowrap;min-height:56px;border-radius:999px;padding:0 22px;font-size:16px}.chip.active{background:var(--accent-deep);border-color:transparent;font-weight:700}.channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;padding:6px 18px 24px}.channel-card{display:flex;align-items:center;gap:12px;min-height:78px;padding:8px 14px;text-align:left}.channel-card .num{color:var(--text-dim);font-size:14px;min-width:42px}.channel-card .name{flex:1;font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.channel-logo{width:48px;height:48px;border-radius:10px;object-fit:contain;background:#0d1420;flex-shrink:0}.channel-badge{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:#fff;flex-shrink:0}.loading,.empty{color:var(--text-dim);text-align:center;padding:48px 20px;font-size:18px}.player-wrap{position:fixed;inset:0;background:#000;display:flex;align-items:center;justify-content:center;overflow:hidden}.player-wrap canvas{width:100vw;height:100vh;object-fit:contain}.overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 22%,transparent 72%,rgba(0,0,0,.75));transition:opacity .25s}.overlay.hidden{opacity:0;pointer-events:none}.overlay-top{display:flex;align-items:center;gap:14px;padding:16px 18px}.overlay-top .title{flex:1;font-size:20px;font-weight:700;text-shadow:0 1px 4px #000}.overlay-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px}.zap-group{display:flex;gap:10px}.preset-group{display:flex;gap:8px}.preset-group .chip.active{background:var(--accent-deep)}.player-status{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#000000b3;border-radius:14px;padding:18px 26px;font-size:18px;display:flex;flex-direction:column;align-items:center;gap:14px}.spinner{width:34px;height:34px;border:4px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}