:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --border: #2a2f3a;
  --text: #e8eaed; --muted: #9aa3af; --accent: #ff5c5c; --accent-dim: #7a2f2f;
  --done: #3ddc84; --track: #2a2f3a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; }
.hidden { display: none !important; }

/* --- login --- */
#login-view { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 32px; width: 300px; text-align: center; }
.login-box h1 { font-size: 20px; margin: 0 0 4px; }
.login-box p { color: var(--muted); font-size: 13px; margin: 0 0 20px; }
.login-box input { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 15px; margin-bottom: 10px; }
.login-box button { width: 100%; padding: 10px; border-radius: 8px; border: none; background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; }
.login-box button:hover { background: #ff7373; }
#login-error { color: var(--accent); font-size: 13px; min-height: 18px; margin-top: 8px; }

/* --- shell --- */
header { position: sticky; top: 0; z-index: 5; background: rgba(15,17,21,0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); padding: 14px 20px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
header h1 { font-size: 17px; margin: 0; white-space: nowrap; }
header .stats { color: var(--muted); font-size: 13px; }
header .spacer { flex: 1; }
header input[type=search] { padding: 8px 12px; border-radius: 20px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); font-size: 13px; width: 220px; }
.filter-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.pill { padding: 5px 12px; border-radius: 14px; border: 1px solid var(--border); background: var(--panel2); color: var(--muted); font-size: 12px; cursor: pointer; white-space: nowrap; }
.pill.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }

main { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* --- continue row --- */
#continue-row { margin-bottom: 28px; }
#continue-row h2 { font-size: 14px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 10px; }
.continue-scroll { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 4px; }
.continue-card { flex: 0 0 220px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px; cursor: pointer; }
.continue-card:hover { border-color: var(--accent); }
.continue-card .domain { font-size: 10px; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }
.continue-card .title { font-size: 13px; margin: 4px 0 8px; line-height: 1.3; }

/* --- domain sections --- */
.domain-section { margin-bottom: 30px; }
.domain-section h2 { font-size: 16px; margin: 0 0 4px; display: flex; align-items: baseline; gap: 8px; }
.domain-section h2 .count { font-size: 12px; color: var(--muted); font-weight: normal; }
.progress-bar-outer { height: 4px; background: var(--track); border-radius: 2px; margin: 6px 0 14px; overflow: hidden; }
.progress-bar-inner { height: 100%; background: var(--done); }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px; cursor: pointer; position: relative; }
.card:hover { border-color: var(--accent); }
.card .seq { font-size: 11px; color: var(--muted); }
.card .title { font-size: 14px; margin: 4px 0 8px; line-height: 1.35; min-height: 38px; }
.card .meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); }
.card .track { height: 3px; background: var(--track); border-radius: 2px; margin-top: 8px; overflow: hidden; }
.card .track-fill { height: 100%; background: var(--done); }
.card .check { position: absolute; top: 10px; right: 10px; width: 18px; height: 18px; border-radius: 50%; background: var(--done); color: #06231a; font-size: 12px; display: flex; align-items: center; justify-content: center; font-weight: 700; }

/* --- player --- */
#player-view { position: fixed; inset: 0; background: var(--bg); z-index: 10; overflow-y: auto; }
.player-inner { max-width: 700px; margin: 0 auto; padding: 20px; }
#player-back { background: none; border: none; color: var(--muted); font-size: 14px; cursor: pointer; padding: 8px 0; }
#player-back:hover { color: var(--text); }
.player-domain { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; margin-top: 20px; }
.player-title { font-size: 22px; margin: 6px 0 16px; line-height: 1.3; }
audio { width: 100%; margin-bottom: 16px; }
.player-actions { display: flex; gap: 10px; margin-bottom: 20px; }
.player-actions button { padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel2); color: var(--text); font-size: 13px; cursor: pointer; }
.player-actions button.done { background: var(--done); color: #06231a; border-color: var(--done); font-weight: 600; }
.player-desc { color: var(--muted); font-size: 14px; line-height: 1.6; white-space: pre-wrap; }
.player-nav { display: flex; justify-content: space-between; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
.player-nav button { background: none; border: none; color: var(--muted); font-size: 13px; cursor: pointer; max-width: 45%; text-align: left; }
.player-nav button:last-child { text-align: right; }
.player-nav button:hover:not(:disabled) { color: var(--text); }
.player-nav button:disabled { opacity: 0.3; cursor: default; }

@media (max-width: 600px) {
  header { padding: 10px 14px; }
  header input[type=search] { width: 140px; }
  main { padding: 14px; }
}