:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #2a2f3a;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3b82f6;
  --accent-2: #f59e0b;
  --danger: #ef4444;
  --ok: #22c55e;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

/* --- top bar --- */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.topbar h1 { font-size: 18px; margin: 0; white-space: nowrap; }
.loader { display: flex; gap: 8px; align-items: center; flex: 1; }
.loader input[type="text"] {
  flex: 1;
  min-width: 120px;
  padding: 7px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}
.proxy-toggle { color: var(--muted); white-space: nowrap; font-size: 13px; }
button, .file-btn {
  padding: 7px 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}
button:hover, .file-btn:hover { filter: brightness(1.1); }
.file-btn { background: var(--panel-2); border: 1px solid var(--border); }
.icon-btn { background: var(--panel-2); border: 1px solid var(--border); font-size: 15px; padding: 6px 10px; }

/* --- settings modal --- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, .6);
  display: flex; align-items: center; justify-content: center;
}
.overlay[hidden] { display: none; }
.modal {
  width: min(440px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
  overflow: hidden;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.modal-head h2 { margin: 0; font-size: 15px; }
.modal-body { padding: 16px; }
.modal-foot {
  padding: 12px 16px; border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 13px; font-weight: 600; }
.field-hint { font-size: 12px; color: var(--muted); line-height: 1.4; }
.field input[type="number"] {
  margin-top: 4px; padding: 8px 10px; width: 120px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 14px;
}
.check-field { margin-top: 18px; }
.check-row { display: flex; align-items: center; gap: 8px; }
.check-row input[type="checkbox"] { width: 16px; height: 16px; }

/* --- layout --- */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 200px 1fr 340px;
  min-height: 0;
}
.sidebar, .channels-panel { overflow-y: auto; background: var(--panel); }
.sidebar { border-right: 1px solid var(--border); }
.channels-panel { border-left: 1px solid var(--border); display: flex; flex-direction: column; }
.panel { padding: 12px; border-bottom: 1px solid var(--border); }
.panel h2 { font-size: 12px; text-transform: uppercase; color: var(--muted); margin: 0 0 8px; letter-spacing: .5px; }

.group-list, .sources { list-style: none; margin: 0; padding: 0; }
.group-list li {
  padding: 6px 8px; border-radius: 5px; cursor: pointer; color: var(--muted);
}
.group-list li:hover { background: var(--panel-2); color: var(--text); }
.group-list li.active { background: var(--accent); color: #fff; }

.sources li { display: flex; gap: 4px; margin-bottom: 4px; }
.sources .src-load {
  flex: 1; text-align: left; background: var(--panel-2);
  border: 1px solid var(--border); color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.sources .src-del { background: transparent; color: var(--muted); padding: 4px 8px; }

/* --- stage / video --- */
.stage { display: flex; flex-direction: column; min-width: 0; background: #000; }
.video-wrap { flex: 1; display: flex; align-items: center; justify-content: center; min-height: 0; position: relative; }
.osd {
  position: absolute; top: 16px; left: 16px;
  background: rgba(0, 0, 0, .72); color: #fff;
  padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 600;
  opacity: 0; transition: opacity .18s ease; pointer-events: none;
  max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.osd.show { opacity: 1; }
video { width: 100%; height: 100%; max-height: 100%; background: #000; }
.playbar {
  flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 10px 16px; background: var(--panel); border-top: 1px solid var(--border);
}
.np strong { font-size: 15px; }
.epg { display: flex; gap: 16px; color: var(--muted); font-size: 12px; margin-top: 2px; }

.status { font-size: 13px; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.status.idle { color: var(--muted); }
.status.loading { color: var(--accent-2); }
.status.playing { color: var(--ok); }
.status.error { color: var(--danger); background: rgba(239,68,68,.1); }

/* --- channel list --- */
.channels-head { display: flex; gap: 8px; align-items: center; padding: 10px; border-bottom: 1px solid var(--border); }
.channels-head input {
  flex: 1; padding: 7px 10px; background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 6px; color: var(--text);
}
#fav-toggle { background: var(--panel-2); border: 1px solid var(--border); color: var(--accent-2); }
#fav-toggle.active { background: var(--accent-2); color: #000; }
.count { font-size: 11px; color: var(--muted); white-space: nowrap; margin-left: auto; }

.channels-tools {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 10px; border-bottom: 1px solid var(--border);
}
.channels-tools button {
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--muted); font-size: 12px; padding: 5px 9px;
}
.channels-tools button:hover:not(:disabled) { color: var(--text); }
.channels-tools button:disabled { opacity: .5; cursor: default; }
#dead-toggle.active { background: var(--danger); border-color: var(--danger); color: #fff; }

/* Dead channels only appear when "Hide dead" is off — dimmed and struck. */
.channel.dead { opacity: .45; }
.channel.dead .name { text-decoration: line-through; }
.channel.dead::after {
  content: "dead"; margin-left: auto; font-size: 10px; color: var(--danger);
  border: 1px solid var(--danger); border-radius: 4px; padding: 1px 5px;
  text-transform: uppercase; letter-spacing: .5px;
}

.channels { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.channel {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px;
  border-bottom: 1px solid var(--border); cursor: pointer;
}
.channel:hover { background: var(--panel-2); }
.channel.playing { background: rgba(59,130,246,.15); border-left: 3px solid var(--accent); }
.logo { width: 34px; height: 34px; object-fit: contain; border-radius: 4px; flex: 0 0 auto; }
.logo.placeholder { display: flex; align-items: center; justify-content: center; background: var(--panel-2); font-size: 16px; }
.meta { flex: 1; min-width: 0; }
.meta .name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta .now { display: block; font-size: 11px; color: var(--accent-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fav { background: transparent; color: var(--border); font-size: 16px; padding: 2px 6px; }
.fav.on { color: var(--accent-2); }

/* --- responsive: collapse side columns on small screens --- */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; }
  .sidebar { display: flex; }
  .stage { min-height: 300px; }
}