/* ── Dark theme (default) ── */
:root, [data-theme="dark"] {
  --bg: #0b1220;
  --card: #121d33;
  --text: #e8eef9;
  --muted: #b2bfd8;
  --line: #2f3d61;
  --accent: #35c6ff;
  --warn: #ffcc66;
  --ok: #44d18b;
  --input-bg: #0d172d;
}

/* ── Light theme ── */
[data-theme="light"] {
  --bg: #f0f2f5;
  --card: #ffffff;
  --text: #1a1a2e;
  --muted: #5a6072;
  --line: #d0d5dd;
  --accent: #0088cc;
  --warn: #cc8800;
  --ok: #22a35a;
  --input-bg: #f8f9fb;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--bg) 60%, var(--line)), var(--bg));
  color: var(--text);
  min-height: 100vh;
  padding: 20px;
  transition: background 0.3s, color 0.3s;
}

.wrap { max-width: 1100px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 14px;
  transition: background 0.3s, border-color 0.3s;
}

h1 { margin: 0 0 10px; font-size: 30px; }
h2 { margin: 0 0 10px; font-size: 18px; color: var(--text); opacity: 0.9; }
h3 { margin: 6px 0; font-size: 14px; color: var(--muted); }
p { margin: 0 0 8px; color: var(--muted); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.header-row {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
}

.row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 12px;
  align-items: center;
  margin: 8px 0;
}

.row label { color: var(--text); opacity: 0.85; }

.input-group { display: flex; gap: 8px; align-items: center; }
.input-group input { flex: 1; }

input, select, textarea {
  width: 100%;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

textarea { min-height: 120px; resize: vertical; }

.checklist { display: flex; flex-wrap: wrap; gap: 8px; }

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.2s, color 0.2s;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill input { width: auto; margin: 0; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; }

button {
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 70%, #fff));
  border: none;
  border-radius: 8px;
  color: #021224;
  font-weight: 700;
  padding: 10px 14px;
  cursor: pointer;
  transition: opacity 0.2s;
}
button:hover { opacity: 0.85; }

.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
  width: 40px; height: 40px;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text);
  flex-shrink: 0;
}

.small-btn {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}

.warn { color: var(--warn); }
.ok { color: var(--ok); }
.muted { color: var(--muted); }
.center { text-align: center; }

.badge {
  background: var(--accent);
  color: #021224;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
  vertical-align: middle;
}

.hint {
  margin: 6px 0;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--input-bg);
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

/* ── CDN panel ── */
.cdn-grid { display: flex; gap: 20px; flex-wrap: wrap; margin: 10px 0; }
.cdn-group { flex: 1; min-width: 200px; }

/* ── Shortcut grid ── */
.shortcut-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.shortcut {
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 14px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.shortcut:hover { border-color: var(--accent); }

/* ── Toast ── */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: opacity 0.3s;
}
.toast.hidden { opacity: 0; pointer-events: none; }

.hidden { display: none; }

@media (max-width: 860px) {
  .row { grid-template-columns: 1fr; }
  .cdn-grid { flex-direction: column; }
  .header-row { flex-direction: column; }
}