:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e8eef7;
  --muted: #9aa8bc;
  --accent: #3d9cf5;
  --accent-dim: #2a6cb0;
  --danger: #f07178;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.page-plain {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 20% -10%, #1e3a5f 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #2a1f4a 0%, transparent 50%), var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.card {
  max-width: 640px;
  margin: 2.5rem auto;
  padding: 2rem 2.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.card--narrow {
  max-width: 480px;
}

.card--wide {
  max-width: 720px;
}

.page-header h1 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.05rem;
}

.muted {
  color: var(--muted);
}

.small {
  font-size: 0.875rem;
}

.product-banner {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: rgba(61, 156, 245, 0.08);
  border: 1px solid rgba(61, 156, 245, 0.25);
  border-radius: 10px;
}

.product-banner h2 {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.product-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-section-intro {
  margin: 0.25rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.field span {
  color: var(--muted);
}

input,
select {
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  border: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

.btn-secondary {
  background: #243044;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: #2c3a52;
}

.hidden {
  display: none !important;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.alert--error {
  background: rgba(240, 113, 120, 0.12);
  border: 1px solid rgba(240, 113, 120, 0.35);
  color: #ffc9cc;
}

.plan-output p {
  margin: 0 0 1rem;
}

.plan-structured {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.plan-block {
  padding: 1.15rem 1.35rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  border-left: 4px solid var(--accent);
}

.plan-block--disclaimer {
  border-left-color: var(--muted);
  background: rgba(240, 113, 120, 0.06);
}

.plan-block__title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--text);
}

.plan-block__body {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text);
}

.plan-block__lede {
  margin: 0 0 1rem;
  line-height: 1.5;
}

.plan-block--usage {
  border-left-color: #6ee7b7;
}

.plan-subhead {
  margin: 1rem 0 0.4rem;
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--text);
}

.plan-block--usage .plan-subhead:first-of-type {
  margin-top: 0;
}

.plan-block__body--tight {
  margin-bottom: 0.5rem;
}

.plan-days {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.plan-day {
  padding: 1rem 1.1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.plan-day__title {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.02em;
}

.plan-day__focus {
  font-weight: 500;
  color: var(--muted);
}

.plan-slot {
  margin-top: 0.65rem;
}

.plan-slot:first-of-type {
  margin-top: 0;
}

.plan-slot__label {
  margin: 0 0 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.plan-slot--evening .plan-slot__label {
  color: var(--muted);
}

.plan-slot__body {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.62;
  color: var(--text);
}

.plan-output--legacy {
  padding-top: 0.25rem;
}

.actions.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 0.5rem;
}

.badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.15rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 999px;
  background: rgba(61, 156, 245, 0.15);
  color: var(--accent);
  vertical-align: middle;
}

code {
  font-size: 0.85em;
  background: #121a26;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* Admin */
.admin-wrap {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1.25rem 3rem;
}

.admin-wrap h1 {
  margin-top: 0;
}

.admin-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  margin-bottom: 2rem;
}

table.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-table th,
.admin-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.admin-table th {
  background: #121a26;
  color: var(--muted);
  font-weight: 600;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.pill {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pill--ok {
  background: rgba(80, 200, 120, 0.2);
  color: #8fd9a8;
}

.pill--no {
  background: rgba(240, 113, 120, 0.15);
  color: #ffb3b8;
}

.mono {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  word-break: break-all;
}

.bulk-panel {
  margin-bottom: 2rem;
  max-width: 100%;
}

.bulk-example {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  background: #121a26;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.admin-textarea {
  width: 100%;
  min-height: 200px;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121a26;
  color: var(--text);
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  line-height: 1.45;
  resize: vertical;
}

.admin-textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.bulk-actions {
  margin: 1rem 0;
}

.alert--ok {
  background: rgba(80, 200, 120, 0.12);
  border: 1px solid rgba(80, 200, 120, 0.35);
  color: #a8ebc4;
}

.alert--warn {
  background: rgba(255, 200, 100, 0.1);
  border: 1px solid rgba(255, 200, 100, 0.35);
  color: #ffe0a3;
}

.bulk-results-title,
.bulk-errors-title {
  font-size: 1rem;
  margin: 1.25rem 0 0.5rem;
}

.bulk-errors-title {
  color: var(--danger);
}

.product-ref {
  margin: 0 0 2rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.product-ref summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
}

.product-ref summary:hover {
  color: var(--accent);
}