/* 斗鱼多直播 · 素净播控台风格
   中性深灰底、单一暖橙点缀、内容(画面)为王、克制描边圆角、悬停才显操作。*/
* { box-sizing: border-box; }
:root {
  --bg: #0e1013; --bg2: #14171c; --panel: #181c22; --panel-2: #1d222a;
  --line: #262b33; --line-soft: #1e232a;
  --text: #e7eaef; --muted: #8b94a3; --faint: #5b636f;
  --accent: #1a90ff; --accent-hover: #3aa0ff; --accent-soft: rgba(26, 144, 255, .14);
  --danger: #ff5468;
  --radius: 12px; --radius-sm: 9px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
}
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font-family: var(--font); -webkit-font-smoothing: antialiased; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 11px 18px; background: var(--bg2); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 60;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { width: 26px; height: 26px; border-radius: 7px; flex: none; display: block; }
.brand-name { font-weight: 650; font-size: 15px; letter-spacing: .2px; }
.brand-tag { color: var(--faint); font-size: 12px; padding-left: 2px; }
.controls { display: flex; align-items: center; gap: 10px; }

.layouts { display: inline-flex; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 3px; gap: 2px; }
.layouts button { background: transparent; color: var(--muted); border: 0; border-radius: 6px; padding: 5px 11px; cursor: pointer; font-size: 13px; transition: background .12s, color .12s; }
.layouts button:hover { color: var(--text); }
.layouts button.active { background: var(--accent); color: #fff; font-weight: 600; }

.btn { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 7px 13px; cursor: pointer; font-size: 13px; transition: border-color .12s, color .12s, background .12s; }
.btn:hover { border-color: #36404c; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.danger:hover { border-color: var(--danger); color: var(--danger); }
.btn.on { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { color: var(--text); }

/* ---------- 网格 ---------- */
.beian { display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; padding: 14px; color: var(--faint); font-size: 12px; }
.beian a { color: var(--faint); text-decoration: none; display: inline-flex; align-items: center; gap: 5px; }
.beian a:hover { color: var(--muted); }
.beian img { height: 14px; }

.grid { display: grid; gap: 10px; padding: 12px; }
.layout-1 { grid-template-columns: 1fr; max-width: 1320px; margin: 0 auto; }
.layout-4 { grid-template-columns: repeat(2, 1fr); }
.layout-6 { grid-template-columns: repeat(3, 1fr); }
.layout-9 { grid-template-columns: repeat(3, 1fr); }
.layout-12 { grid-template-columns: repeat(4, 1fr); }

.cell { position: relative; aspect-ratio: 16 / 9; background: #000; border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; transition: border-color .12s; }
.cell:hover { border-color: var(--line); }
.cell.playing { border-color: #2c333d; }
.cell-video, .cell-video video { position: absolute; inset: 0; width: 100%; height: 100%; }
.cell-video video { object-fit: contain; background: #000; }

/* 焦点布局：左边大画面 + 右边一列小窗（其余流仍在播）。双击小窗切换主画面，Esc 还原。 */
.grid.focus-mode { display: flex; gap: 10px; padding: 12px; height: calc(100vh - 54px); align-items: stretch; }
.focus-main { flex: 1; min-width: 0; display: flex; }
.focus-main .cell { width: 100%; height: 100%; aspect-ratio: auto; }
.focus-rail { width: 300px; flex: none; display: flex; flex-direction: column; gap: 10px; overflow-y: auto; }
.focus-rail .cell { width: 100%; aspect-ratio: 16 / 9; flex: none; }
.focus-rail .cell::after { content: "双击放大"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 12px; background: rgba(0, 0, 0, .35); opacity: 0; transition: opacity .12s; pointer-events: none; z-index: 8; }
.focus-rail .cell:hover::after { opacity: 1; }
.backdrop, .backdrop.hidden { display: none; }

/* 空格子 */
.cell-empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; width: 100%; background: var(--bg2); border: 0; cursor: pointer; color: var(--muted); font-size: 13px; }
.cell-empty .plus { width: 42px; height: 42px; border-radius: 50%; border: 1.5px solid var(--line); display: grid; place-items: center; font-size: 24px; line-height: 1; color: var(--faint); transition: .12s; }
.cell-empty.add:hover { color: var(--text); }
.cell-empty.add:hover .plus { border-color: var(--accent); color: var(--accent); }
.cell-empty.error .big { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; font-size: 22px; color: var(--danger); border: 1.5px solid rgba(255, 84, 104, .4); }
.cell-empty.error .err-actions { display: flex; gap: 8px; margin-top: 2px; }

/* LIVE 角标 */
.cell .live-badge { position: absolute; top: 8px; left: 8px; z-index: 6; display: inline-flex; align-items: center; gap: 5px; background: rgba(0, 0, 0, .55); backdrop-filter: blur(3px); padding: 3px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; letter-spacing: .4px; opacity: 0; transition: opacity .15s; }
.cell.playing:hover .live-badge { opacity: 1; }
.cell .live-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); display: inline-block; }

/* 悬停操作条 */
.cell-bar { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 8px 9px; background: linear-gradient(0deg, rgba(0, 0, 0, .82), rgba(0, 0, 0, 0)); opacity: 0; transform: translateY(4px); transition: opacity .15s, transform .15s; z-index: 7; }
.cell:hover .cell-bar { opacity: 1; transform: none; }
.cell-name { font-size: 12.5px; font-weight: 500; max-width: 40%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cell-actions { display: flex; gap: 5px; }
.cell-actions button { background: rgba(255, 255, 255, .12); border: 0; color: #fff; min-width: 28px; height: 28px; padding: 0 6px; border-radius: 7px; cursor: pointer; font-size: 12.5px; line-height: 1; display: grid; place-items: center; transition: background .12s; }
.cell-actions button:hover { background: var(--accent); color: #fff; }
.cell-actions button.on { background: var(--accent); color: #fff; }

/* 弹幕层（纯白、无用户名、右往左滚动） */
.danmaku-layer { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 6; }
.dm { position: absolute; left: 0; white-space: nowrap; font-weight: 600; color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, .95), 0 0 3px rgba(0, 0, 0, .85); will-change: transform; }

/* 弹幕设置面板（悬浮在「弹幕」按钮上，对齐斗鱼） */
.dm-control { position: relative; }
.dm-settings { position: absolute; top: calc(100% + 8px); right: 0; width: 282px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: 0 20px 50px -16px rgba(0, 0, 0, .7); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .14s, transform .14s, visibility .14s; z-index: 80; }
.dm-control:hover .dm-settings, .dm-settings:hover { opacity: 1; visibility: visible; transform: none; }
.dm-settings::before { content: ''; position: absolute; top: -10px; left: 0; right: 0; height: 10px; }
.dm-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 13px; }
.dm-row span { width: 56px; flex: none; color: var(--text); }
.dm-row b { width: 38px; text-align: right; color: var(--muted); font-weight: 500; }
.dm-row input[type=range] { flex: 1; accent-color: var(--accent); height: 4px; }
.dm-pos-title { font-size: 12px; color: var(--muted); margin: 2px 0 8px; }
.dm-pos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.dm-pos button { background: var(--panel-2); border: 1px solid var(--line); border-radius: 7px; color: var(--muted); font-size: 12px; padding: 7px 0; cursor: pointer; transition: border-color .12s, color .12s, background .12s; }
.dm-pos button:hover { color: var(--text); }
.dm-pos button.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.spinner { width: 26px; height: 26px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 选台面板 ---------- */
.picker { position: fixed; inset: 0; background: rgba(6, 8, 11, .66); display: flex; align-items: center; justify-content: center; z-index: 70; }
.picker.hidden { display: none; }
.picker-card { width: min(680px, 92vw); max-height: 82vh; overflow: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .7); }
.picker-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; font-weight: 650; font-size: 15px; }
.picker-input { display: flex; gap: 8px; margin-bottom: 12px; }
.picker-input input { flex: 1; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 11px 13px; color: var(--text); font-size: 14px; transition: border-color .12s; }
.picker-input input::placeholder { color: var(--faint); }
.picker-input input:focus { outline: 0; border-color: var(--accent); }
.picker-input input.shake { animation: shake .4s; border-color: var(--danger); }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
.picker-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.preset-search { flex: 1; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 11px; color: var(--text); font-size: 13px; }
.preset-search:focus { outline: 0; border-color: var(--accent); }
.chk { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; white-space: nowrap; cursor: pointer; }
.chk input { accent-color: var(--accent); }
.picker-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); gap: 8px; }
.preset { position: relative; display: flex; align-items: center; gap: 9px; background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: var(--radius-sm); padding: 10px 11px; color: var(--text); cursor: pointer; text-align: left; transition: border-color .12s; }
.preset:hover { border-color: #36404c; }
.preset .pdot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); flex: none; }
.preset.online .pdot { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.preset .pname { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
.preset .pfav { color: var(--accent); font-size: 12px; flex: none; opacity: .9; }
.preset .premove { position: absolute; top: -6px; right: -6px; width: 18px; height: 18px; border-radius: 50%; background: var(--panel); border: 1px solid var(--line); color: var(--muted); font-size: 11px; display: none; place-items: center; cursor: pointer; }
.preset:hover .premove { display: grid; }
.preset .premove:hover { color: var(--danger); border-color: var(--danger); }
.picker-empty { color: var(--faint); font-size: 13px; padding: 10px 2px; grid-column: 1 / -1; }