:root {
  color-scheme: light dark;
  --bg: #fffaf9;
  --fg: #201018;
  --muted: #7a6873;
  --border: #f1dde6;
  --accent: #ed0a6b;
  --accent-fg: #ffffff;
  --danger: #d62839;
  --danger-fg: #ffffff;
  --card-bg: #fff1f6;
  --warning-bg: #fffbeb;
  --warning-border: #f59e0b;
  --warning-fg: #92400e;
  --success-bg: #f0fdf4;
  --success-border: #16a34a;
  --success-fg: #14532d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #180f16;
    --fg: #f5e9ee;
    --muted: #b79aa8;
    --border: #3a2430;
    --accent: #ff4f9a;
    --accent-fg: #1a0f14;
    --danger: #f87171;
    --danger-fg: #2a0a0a;
    --card-bg: #241621;
    --warning-bg: #2a2110;
    --warning-border: #d97706;
    --warning-fg: #fbbf24;
    --success-bg: #10241a;
    --success-border: #22c55e;
    --success-fg: #86efac;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 3px solid var(--accent);
}

header strong { font-size: 1.125rem; }
header form { margin: 0; }

.wordmark a { color: var(--fg); }
.wordmark a:hover { text-decoration: none; opacity: 0.8; }

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem;
}

h1, h2, h3 { line-height: 1.25; }
h1 { margin-top: 0; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

p.error { color: var(--danger); font-weight: 600; }
.subtitle { color: var(--muted); margin-top: -0.5rem; }
.help-text { display: block; color: var(--muted); font-size: 0.85rem; margin-top: 0.25rem; }

input, textarea, select {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.5rem 0.625rem;
  width: 100%;
  max-width: 28rem;
}

textarea { min-height: 5rem; }

label { display: block; margin: 0.75rem 0; font-weight: 500; }

button {
  font: inherit;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-fg);
  border: none;
  border-radius: 0.6rem;
  padding: 0.5rem 1rem;
  font-weight: 600;
  transition: opacity 0.15s ease;
}

button:hover { opacity: 0.85; }
button:disabled { cursor: not-allowed; opacity: 0.6; }

.btn-danger { background: var(--danger); color: var(--danger-fg); }
.btn-small { padding: 0.3rem 0.65rem; font-size: 0.85rem; }

table { border-collapse: collapse; width: 100%; margin: 1rem 0; }

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

ul { list-style: none; padding: 0; margin: 0; }

#catalog-filter { max-width: 24rem; margin-bottom: 1rem; }

.site-card {
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: var(--card-bg);
  transition: border-color 0.15s ease;
}

.site-card:hover { border-color: var(--accent); }
.site-card a { font-size: 1.0625rem; font-weight: 600; }
.site-card p { margin: 0.25rem 0; color: var(--muted); font-size: 0.9rem; }

#dropzone {
  border: 2px dashed var(--border);
  border-radius: 0.85rem;
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  transition: border-color 0.15s ease, background 0.15s ease;
}

#dropzone.drag-over { border-color: var(--accent); background: var(--card-bg); }

.callout {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 1rem 1.25rem;
  margin: 1rem 0 1.5rem;
}

.callout h2 { margin-top: 0; font-size: 1rem; }
.callout ol { margin: 0; padding-left: 1.25rem; }
.callout li { margin: 0.35rem 0; }
.callout code {
  background: var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
}

.warning-banner, .success-box {
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  margin: 0.75rem 0;
  font-weight: 500;
}

.warning-banner { background: var(--warning-bg); border: 1px solid var(--warning-border); color: var(--warning-fg); }
#upload-status.error { background: var(--warning-bg); border: 1px solid var(--danger); color: var(--danger); border-radius: 0.75rem; padding: 0.75rem 1rem; font-weight: 600; }
.success-box { background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success-fg); }

.badge-warning {
  display: inline-block;
  background: var(--warning-bg);
  color: var(--warning-fg);
  border: 1px solid var(--warning-border);
  border-radius: 999px;
  padding: 0.05rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.5rem;
}

#file-list-preview ul {
  max-height: 12rem;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.5rem 0.75rem;
  background: var(--card-bg);
  margin: 0.5rem 0;
}

#file-list-preview li {
  padding: 0.15rem 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  color: var(--muted);
}

footer {
  max-width: 48rem;
  margin: 2rem auto 0;
  padding: 1rem 1.5rem 2rem;
  color: var(--muted);
  font-size: 0.85rem;
}