:root {
  --color-bg: #f7f8fa;
  --color-card: #ffffff;
  --color-border: #e3e6ea;
  --color-text: #1a1d23;
  --color-muted: #6b7280;
  --color-primary: #d92d20;
  --color-primary-dark: #b42318;
  --color-secondary: #eef1f4;
  --color-success: #12805c;
  --color-error: #b42318;
  --status-waiting: #6b7280;
  --status-processing: #b54708;
  --status-completed: #12805c;
  --status-error: #b42318;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
  text-decoration: none;
}
.main-nav a {
  margin-left: 24px;
  color: var(--color-muted);
  text-decoration: none;
  font-weight: 500;
  padding-bottom: 4px;
}
.main-nav a.active,
.main-nav a:hover {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
}

main.container {
  padding-top: 32px;
  padding-bottom: 64px;
  min-height: 70vh;
}

/* Hero */
.hero {
  text-align: center;
  margin-bottom: 32px;
}
.hero h1 { font-size: 2rem; margin-bottom: 8px; }
.hero .subtitle { color: var(--color-muted); }

/* Cards */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.card h2 { margin-top: 0; }

.page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

/* Form elements */
textarea, select, input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
}
textarea { resize: vertical; }
.hint { color: var(--color-muted); font-size: 0.85rem; margin-top: 6px; }
.form-row { margin: 16px 0; max-width: 320px; }
.form-row label { display: block; margin-bottom: 6px; font-weight: 500; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-secondary { background: var(--color-secondary); color: var(--color-text); }
.btn-danger { background: #fde8e6; color: var(--color-error); }
.btn-link { background: none; color: var(--color-muted); padding-left: 0; }
.btn-small { padding: 6px 12px; font-size: 0.8rem; }
.button-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

.feedback { margin-top: 10px; font-size: 0.9rem; min-height: 1.2em; }
.feedback-success { color: var(--color-success); }
.feedback-error { color: var(--color-error); }

/* Queue */
.stats-bar {
  display: flex;
  gap: 24px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.queue-list { display: flex; flex-direction: column; gap: 12px; }
.queue-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.queue-item .thumb {
  width: 96px;
  height: 54px;
  object-fit: cover;
  border-radius: 6px;
  background: #eee;
  flex-shrink: 0;
}
.queue-item-body { flex: 1; min-width: 0; }
.queue-item-title {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.queue-item-meta { color: var(--color-muted); font-size: 0.85rem; display: flex; gap: 10px; margin-top: 4px; }
.queue-item-error { color: var(--color-error); font-size: 0.8rem; margin-top: 4px; }
.queue-item-actions { display: flex; gap: 8px; flex-shrink: 0; }

.status-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
}
.status-waiting { background: var(--status-waiting); }
.status-processing { background: var(--status-processing); }
.status-completed { background: var(--status-completed); }
.status-error { background: var(--status-error); }

.empty-state { color: var(--color-muted); text-align: center; padding: 40px 0; }

/* Script detail */
.script-header-top { display: flex; gap: 16px; align-items: flex-start; }
.script-thumb { width: 160px; border-radius: 8px; flex-shrink: 0; }
#script-text { width: 100%; font-family: ui-monospace, monospace; font-size: 0.9rem; }
.error-box { border-color: #f5c2bd; background: #fef3f2; }

/* Library */
.search-bar { display: flex; gap: 10px; margin-bottom: 20px; }
.search-bar input[type="text"] { flex: 1; }
.search-bar select { max-width: 160px; }
.library-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.library-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  cursor: pointer;
}
.library-item-body { flex: 1; }
.library-item-title { font-weight: 600; }
.library-item-meta { color: var(--color-muted); font-size: 0.85rem; margin-top: 2px; }
.library-item-actions { display: flex; gap: 8px; }
.bulk-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.pagination { display: flex; gap: 6px; margin-top: 20px; }
.pagination a {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
}
.pagination a.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 20px 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 640px) {
  .header-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 8px; }
  .main-nav a { margin-left: 0; margin-right: 16px; }
  .queue-item, .library-item { flex-wrap: wrap; }
  .script-header-top { flex-direction: column; }
  .search-bar { flex-direction: column; }
}