:root {
  --bg: #f6f4ef;
  --bg-card: #ffffff;
  --bg-hero: #1b4332;
  --text: #1a1a1a;
  --text-muted: #5c5c5c;
  --text-inverse: #f6f4ef;
  --border: #e8e4dc;
  --green: #2d6a4f;
  --green-light: #d8f3dc;
  --green-mid: #40916c;
  --clay: #c45c3e;
  --clay-bg: #fdeee9;
  --astro: #3d5a80;
  --astro-bg: #e8eef5;
  --weekend: #fff8e7;
  --weekend-border: #f0d78c;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --radius: 14px;
  --radius-sm: 10px;
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Hero */
.hero {
  background: linear-gradient(145deg, #1b4332 0%, #2d6a4f 55%, #40916c 100%);
  color: var(--text-inverse);
  padding: 2.5rem 1.25rem 1.75rem;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.6;
  opacity: 0.9;
  max-width: 52ch;
}

.hero-meta {
  max-width: 720px;
  margin: 1.5rem auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.meta-pill--accent {
  background: rgba(255, 255, 255, 0.22);
  font-weight: 600;
}

.meta-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #95d5b2;
}

/* Main */
.main {
  flex: 1;
  max-width: 820px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

/* Filters */
.filters {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.45rem 0.9rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.chip:hover {
  border-color: var(--green-mid);
  color: var(--green);
}

.chip--active {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.chip--active:hover {
  background: #245a42;
  color: white;
}

/* Day strip */
.calendar-strip {
  margin-bottom: 1.5rem;
  margin-left: -1.25rem;
  margin-right: -1.25rem;
  padding: 0 1.25rem;
  overflow: hidden;
}

.strip-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.strip-scroll::-webkit-scrollbar {
  height: 4px;
}

.strip-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.day-btn {
  flex: 0 0 auto;
  min-width: 4.5rem;
  padding: 0.75rem 0.6rem;
  font-family: inherit;
  text-align: center;
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  scroll-snap-align: start;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.day-btn:hover {
  border-color: var(--green-mid);
}

.day-btn--active {
  border-color: var(--green);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.day-btn--today:not(.day-btn--active) {
  border-color: var(--green-mid);
  background: var(--green-light);
}

.day-btn--weekend:not(.day-btn--active) {
  background: var(--weekend);
}

.day-btn__dow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.day-btn__date {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  margin: 0.15rem 0;
}

.day-btn__month {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.day-btn__count {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.1rem 0.45rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 999px;
  background: var(--green-light);
  color: var(--green);
}

.day-btn--active .day-btn__count {
  background: var(--green);
  color: white;
}

.day-btn__count--zero {
  background: #f0eeea;
  color: var(--text-muted);
}

/* Day panel */
.day-panel {
  min-height: 200px;
}

.day-header {
  margin-bottom: 1.25rem;
}

.day-header h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.day-header p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.time-section {
  margin-bottom: 1.75rem;
}

.time-section__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.time-section__title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 0.65rem;
}

.slot-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  transition: border-color 0.15s, transform 0.1s;
}

.slot-card:hover {
  border-color: var(--green-mid);
  transform: translateY(-1px);
}

.slot-card--clickable {
  cursor: pointer;
}

.slot-card--clickable:focus-visible {
  outline: 2px solid var(--green-mid);
  outline-offset: 2px;
}

.slot-card__time {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--green);
}

.slot-card__court {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

.surface-badge {
  align-self: flex-start;
  padding: 0.15rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 4px;
}

.surface-badge--clay {
  background: var(--clay-bg);
  color: var(--clay);
}

.surface-badge--astro {
  background: var(--astro-bg);
  color: var(--astro);
}

/* Empty & error states */
.empty-state,
.error-state {
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.empty-state h3,
.error-state h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.empty-state p,
.error-state p {
  margin: 0;
  color: var(--text-muted);
  max-width: 36ch;
  margin-inline: auto;
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

/* Loading */
.loading {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

.loading-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 1rem;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading.hidden {
  display: none;
}

/* Footer */
.footer {
  padding: 1.5rem 1.25rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0.25rem 0;
}

.footer-note {
  font-size: 0.78rem;
  opacity: 0.8;
}

/* Booking modal */
.modal.hidden {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 30, 24, 0.45);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(420px, 100%);
  padding: 1.5rem 1.35rem 1.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.modal__close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  border: 0;
  background: transparent;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
}

.modal__panel h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.modal__slot {
  margin: 0 0 0.5rem;
  font-weight: 600;
  color: var(--green);
}

.modal__hint {
  margin: 0 0 1.1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.modal__status {
  list-style: none;
  margin: 0 0 0.85rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.modal__status-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.modal__status-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}

.modal__status-item--ok {
  color: var(--green);
}

.modal__status-item--ok .modal__status-mark {
  background: color-mix(in srgb, var(--green) 18%, transparent);
  color: var(--green);
}

.modal__status-item--no {
  color: var(--text-muted);
}

.modal__status-item--no .modal__status-mark {
  background: color-mix(in srgb, var(--text-muted) 16%, transparent);
  color: var(--text-muted);
}

.modal__actions {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.modal__actions.hidden {
  display: none;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn--primary {
  background: var(--green);
  color: #fff;
}

.btn--primary:hover {
  background: var(--green-mid);
}

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

.btn--secondary:hover {
  border-color: var(--green-mid);
  color: var(--green);
}

.btn.hidden,
.modal__actions .hidden {
  display: none;
}

@media (min-width: 640px) {
  .hero {
    padding: 3rem 2rem 2rem;
  }

  .main {
    padding: 2rem 2rem 4rem;
  }

  .filters {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 2rem;
  }

  .slot-grid {
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 0.75rem;
  }
}