:root {
  --bg: #0b0c10;
  --card: #14161d;
  --muted: #98a2b3;
  --text: #eef2ff;
  --line: #232635;
  --accent: #7c3aed;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei";
  background: radial-gradient(1200px 600px at 20% 0%, #111827, var(--bg));
  color: var(--text);
}

header {
  padding: 28px 18px 10px;
  max-width: 1100px;
  margin: 0 auto;
}

h1 {
  margin: 0 0 6px;
  font-size: 26px;
}

.sub { color: var(--muted); margin: 0; }

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}

.card h2 { margin: 0 0 12px; font-size: 18px; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

label span {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.15);
  color: var(--text);
  padding: 10px 10px;
  border-radius: 10px;
  outline: none;
}

input:focus { border-color: rgba(124, 58, 237, 0.65); }

.row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.row.wrap { flex-wrap: wrap; }

button {
  border: 1px solid rgba(124, 58, 237, 0.6);
  background: rgba(124, 58, 237, 0.22);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}

button:hover { background: rgba(124, 58, 237, 0.28); }

button.secondary {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
}

button.secondary:hover { background: rgba(255,255,255,0.10); }

.status {
  color: var(--muted);
  font-size: 12px;
}

.code {
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 12px;
  padding: 10px;
  overflow: auto;
  max-height: 220px;
  background: rgba(0,0,0,0.20);
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.hint code {
  padding: 2px 6px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.25);
}

.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.feed {
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 120px;
  padding: 8px;
  display: grid;
  gap: 8px;
}

.item {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 10px;
  background: rgba(0,0,0,0.18);
}

.item .meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 6px;
}

.item .text { white-space: pre-wrap; line-height: 1.45; }

.speaker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 4px;
}

.pill {
  padding: 8px 10px;
  border-radius: 999px;
}

.pill.active {
  border-color: rgba(124, 58, 237, 0.9);
  background: rgba(124, 58, 237, 0.35);
}

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .cols { grid-template-columns: 1fr; }
}

.progress {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

progress {
  width: 260px;
  height: 14px;
}

.badge {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  color: var(--muted);
}

button.danger {
  border-color: rgba(239, 68, 68, 0.7);
  background: rgba(239, 68, 68, 0.18);
}
button.danger:hover {
  background: rgba(239, 68, 68, 0.26);
}