@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700&display=swap');

:root {
  --bg: #f3f6fb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #5f6c85;
  --border: #e5e9f2;
  --accent: #2563eb;
  --accent-2: #0ea5e9;
  --success-bg: #dcfce7;
  --success: #166534;
  --danger-bg: #fee2e2;
  --danger: #991b1b;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  /* Cell status colours */
  --cell-busy-bg: #ffe0e0;
  --cell-busy-text: #b42318;
  --cell-free-bg: #e7f7e7;
  --cell-free-text: #186a3b;
  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-2xl: 36px;
}

* {
  box-sizing: border-box;
}

body {
  font-family:
    'Manrope',
    system-ui,
    -apple-system,
    sans-serif;
  background:
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.09), transparent 35%),
    radial-gradient(circle at 80% 10%, rgba(37, 99, 235, 0.12), transparent 32%), var(--bg);
  color: var(--text);
  margin: 0;
  padding: clamp(16px, 2vw, 28px);
}

.page {
  max-width: min(1900px, 98vw);
  margin: 0 auto 36px;
}

html.is-embedded body {
  padding: 8px;
  background: transparent;
}

html.is-embedded .page {
  max-width: none;
  margin: 0;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 24px;
}

.hero__text h1 {
  margin: 4px 0 12px;
  font-size: 32px;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--accent-2);
  margin: 0;
}

.lede {
  color: var(--muted);
  max-width: 620px;
  margin: 0 0 12px;
}

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

.pill {
  background: #e2e8f0;
  color: var(--text);
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
}

.pill--accent {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
}

.hero__controls {
  min-width: 320px;
  display: grid;
  gap: 12px;
}

.tabs {
  display: inline-flex;
  background: #e7edf6;
  border-radius: 999px;
  padding: 4px;
}

.tab {
  border: none;
  background: transparent;
  padding: 10px 16px;
  font-weight: 700;
  color: var(--muted);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow);
}

.week-selector {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--panel);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.week-selector label {
  font-weight: 700;
  color: var(--text);
}

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

.chip {
  border: 1px solid var(--border);
  background: #f8fafc;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip:hover {
  border-color: var(--accent);
}
.chip.active,
.week-btn.active {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  border-color: transparent;
}

.layout {
  display: grid;
  gap: 16px;
}

.layout-12 {
  grid-template-columns: repeat(12, 1fr);
}

.span-3 {
  grid-column: span 3;
}
.span-6 {
  grid-column: span 6;
}
.span-7 {
  grid-column: span 7;
}
.span-2 {
  grid-column: span 2;
}

@media (max-width: 1440px) {
  .span-3 {
    grid-column: span 4;
  }
  .span-6,
  .span-7 {
    grid-column: span 8;
  }
  .span-2 {
    grid-column: span 4;
  }
}
@media (max-width: 1200px) {
  .span-3 {
    grid-column: span 12;
    order: 1;
  }
  .span-6,
  .span-7 {
    grid-column: span 12;
    order: 2;
  }
  #schedule {
    display: none;
  }
}
@media (max-width: 900px) {
  .layout-12 {
    grid-template-columns: repeat(1, 1fr);
  }
}

.card__body {
  margin-top: 12px;
  min-height: 200px;
}

.card {
  background: var(--panel);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px 20px;
}

.card__header h3 {
  margin: 0;
}
.card__header p {
  margin: 4px 0 0;
  color: var(--muted);
}

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

.card__body {
  margin-top: 12px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  font-weight: 700;
  color: var(--text);
}

select,
input,
form button {
  padding: 0 12px;
  height: 48px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #f8fafc;
  font-weight: 600;
  color: var(--text);
}

form button {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.field-group {
  display: grid;
  gap: 10px 12px;
}

.field-group .group-label {
  grid-column: 1 / -1;
  margin: 0;
}

.field-group label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group select {
  width: 100%;
}

.field-group:first-of-type {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.field-group:last-of-type {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.field-group.two-cols {
  grid-template-columns: repeat(2, minmax(160px, 1fr));
}

@media (max-width: 600px) {
  .field-group.two-cols {
    grid-template-columns: 1fr;
  }
}

.group-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.actions button {
  width: 100%;
}

.ghost {
  background: #f8fafc;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

#output table,
#controls table,
.card table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

#output,
.table-wrap {
  overflow: hidden;
}

.table-wrap {
  max-height: 70vh;
  overflow: auto;
}

.availability-table {
  table-layout: fixed;
  width: 100%;
  min-width: 960px;
}

@media (max-width: 768px) {
  .availability-table {
    min-width: 600px;
    font-size: 11px;
  }
}

.availability-table thead th {
  position: sticky;
  top: 0;
  z-index: 3;
}

table thead th {
  background: #f1f5f9;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

table th,
table td {
  padding: 10px 10px;
  border: 1px solid var(--border);
  text-align: center;
  vertical-align: top;
  word-break: break-word;
  line-height: 1.32;
  min-height: 60px;
  font-size: 12px;
}

table th:first-child,
table td:first-child {
  position: sticky;
  left: 0;
  background: #f8fafc;
  z-index: 2;
  border-right: 1px solid #e5eaf2;
  width: 130px;
  white-space: nowrap;
}

/* remove zebra striping to keep status colors dominant */
table tr:nth-child(even) td {
  background: transparent;
}

.cell-busy {
  background-color: var(--cell-busy-bg);
  color: var(--cell-busy-text);
}

.cell-free {
  background-color: var(--cell-free-bg);
  color: var(--cell-free-text);
}

.week-badge {
  display: inline-block;
  padding: 2px 8px;
  margin-left: 5px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: bold;
  color: white;
}

.week-badge.numerator {
  background-color: #f59e0b;
}
.week-badge.denominator {
  background-color: #0ea5e9;
}

.schedule-card table {
  margin-top: 8px;
}

.cell-title {
  font-weight: 700;
  font-size: 12.5px;
  margin-bottom: 2px;
}
.cell-meta {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.25;
}
.cell-title.free {
  font-size: 14px;
  text-align: center;
  margin: 8px 0;
}

.legend {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.legend__item {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  background: var(--muted);
}
.dot--green {
  background: #22c55e;
}
.dot--red {
  background: #ef4444;
}
.dot--amber {
  background: #f59e0b;
}

.pill--status {
  background: #e7edf6;
  color: var(--text);
}

.with-icon {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.accordion-trigger {
  cursor: pointer;
  /* Reset button appearance when used as a <button> element */
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  width: 100%;
}
.accordion-trigger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}
.accordion-caret {
  font-size: 14px;
  color: var(--muted);
}

.empty-state {
  text-align: center;
  padding: var(--space-lg);
  color: var(--muted);
}
.empty-state button {
  margin-top: var(--space-sm);
  height: 40px;
}

.result-meta {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

.load-more-wrap {
  text-align: center;
  padding: var(--space-md);
}
@media (max-width: 768px) {
  body {
    padding: 18px;
  }
  .hero {
    flex-direction: column;
  }
  .layout {
    grid-template-columns: 1fr;
  }
}

html.is-embedded .hero {
  margin-bottom: 12px;
}

html.is-embedded .card {
  padding: 14px 14px;
}

html.is-embedded .card__body {
  margin-top: 8px;
}