:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --text-dim: #9aa2b1;
  --accent: #4f8cff;
  --ok: #3ecf6c;
  --warn: #e6b400;
  --err: #e5484d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

#app {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: 100vh;
}

#sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#search-box { padding: 10px; border-bottom: 1px solid var(--border); display: flex; gap: 6px; }
#search-box input {
  flex: 1;
  width: 100%;
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}
#settings-btn {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 15px;
  width: 36px;
}
#settings-btn:hover { background: var(--border); }

#empty-state {
  padding: 20px;
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  line-height: 1.6;
}

.hidden { display: none !important; }

#settings-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}
.settings-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 480px;
  max-width: 90vw;
}
.settings-box h2 { text-transform: none; font-size: 16px; color: var(--text); margin-bottom: 14px; }
.settings-box label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.settings-box input {
  width: 100%;
  padding: 9px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 13px;
}
#settings-status { min-height: 20px; font-size: 12px; margin-top: 8px; }
#settings-status.ok { color: var(--ok); }
#settings-status.err { color: var(--err); }
.settings-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.settings-actions button {
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
}
#settings-save { background: var(--accent); border-color: var(--accent); color: #fff; }

#channel-list { overflow-y: auto; flex: 1; }

.group-label {
  padding: 8px 12px 4px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--text-dim);
  position: sticky;
  top: 0;
  background: var(--panel);
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  cursor: pointer;
  border-left: 3px solid transparent;
}
.channel-item:hover { background: var(--panel-2); }
.channel-item.active {
  background: var(--panel-2);
  border-left-color: var(--accent);
}
.channel-item img {
  width: 24px; height: 24px; object-fit: contain; border-radius: 4px;
  background: #000;
}
.channel-item .cname {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#main {
  display: grid;
  grid-template-columns: 1fr 320px;
  grid-template-rows: auto 1fr;
  gap: 12px;
  padding: 12px;
  overflow: hidden;
}

#player-wrap {
  grid-column: 1;
  grid-row: 1 / span 2;
  position: relative;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
#video { width: 100%; height: 100%; max-height: 80vh; background: #000; }

#player-overlay {
  position: absolute;
  top: 8px; left: 8px; right: 8px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
  font-size: 12px;
}
#ov-title {
  background: rgba(0,0,0,.55);
  padding: 4px 10px;
  border-radius: 6px;
}
#ov-stats {
  background: rgba(0,0,0,.55);
  padding: 4px 10px;
  border-radius: 6px;
  text-align: right;
  line-height: 1.5;
}

#epg-panel, #monitor-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow-y: auto;
}
#epg-panel { grid-column: 2; grid-row: 1; }
#monitor-panel { grid-column: 2; grid-row: 2; }

h2 { margin: 0 0 8px; font-size: 14px; color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }

#epg-now {
  background: var(--panel-2);
  border-radius: 6px;
  padding: 8px;
  margin-bottom: 8px;
}
.epg-title { font-weight: 600; font-size: 13px; }
.epg-time { font-size: 11px; color: var(--text-dim); }
.epg-item { padding: 6px 4px; border-bottom: 1px solid var(--border); font-size: 12px; }

#monitor-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 10px;
}
.stat-box {
  background: var(--panel-2);
  border-radius: 6px;
  padding: 6px 8px;
}
.stat-box .label { color: var(--text-dim); font-size: 10px; text-transform: uppercase; }
.stat-box .value { font-size: 15px; font-weight: 600; }

#monitor-log {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 11px;
  display: flex;
  flex-direction: column-reverse;
  gap: 2px;
}
.log-line { padding: 2px 4px; border-radius: 3px; white-space: pre-wrap; word-break: break-all; }
.log-ok { color: var(--ok); }
.log-warn { color: var(--warn); }
.log-err { color: var(--err); background: rgba(229,72,77,.1); }