:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f242d;
  --text: #e6e8eb;
  --muted: #8a929d;
  --accent: #ffd23f;
  --accent-bg: #3a2f0a;
  --border: #262b35;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--text); }
body { font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }

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

#sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
}
#sidebar h1 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 12px; }
#clip-list { list-style: none; padding: 0; margin: 0; }
#clip-list li {
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 4px;
  border: 1px solid transparent;
  word-break: break-word;
}
#clip-list li:hover { background: var(--panel-2); }
#clip-list li.active { background: var(--panel-2); border-color: var(--border); }
#clip-list li .meta { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }

#player { display: flex; flex-direction: column; min-width: 0; overflow-y: auto; }
#player-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}
#clip-title { margin: 0 0 12px; font-size: 18px; font-weight: 600; }
#audio { width: 100%; }

#skip-controls { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
#skip-controls button {
  flex: 1 1 0;
  min-width: 64px;
  padding: 8px 12px;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
#skip-controls button:hover { background: var(--border); }
#skip-controls button:active { background: var(--panel); }

#lang-toggle { display: flex; gap: 0; margin-top: 8px; }
#lang-toggle button {
  flex: 1 1 0;
  padding: 6px 12px;
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}
#lang-toggle button:first-child { border-radius: 6px 0 0 6px; }
#lang-toggle button:last-child { border-radius: 0 6px 6px 0; border-left: none; }
#lang-toggle button.active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent);
}

#transcript {
  padding: 20px;
  font-size: 18px;
  line-height: 1.8;
  max-width: 820px;
  margin: 0 auto;
  width: 100%;
}
#transcript .cue {
  padding: 6px 10px;
  border-radius: 6px;
  margin: 2px 0;
  cursor: pointer;
  color: var(--muted);
  transition: background 80ms, color 80ms;
}
#transcript .cue:hover { color: var(--text); }
#transcript .cue.active { background: var(--accent-bg); color: var(--accent); }
#transcript .empty { color: var(--muted); }

@media (max-width: 720px) {
  #app { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  #sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 35vh;
  }
  #transcript { font-size: 17px; padding: 16px; }
}