/* ── Reset & variables ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sand:      #f5f0e8;
  --sand-dark: #e8e0d0;
  --driftwood: #8b7355;
  --kelp:      #2d4a3e;
  --kelp-mid:  #3d6b5a;
  --kelp-light:#5a9178;
  --sea:       #1a3a4a;
  --foam:      #ffffff;
  --mist:      #c8d8d2;
  --sun:       #d4a853;
  --alert-open:#2d6e4e;
  --alert-full:#8b3a2a;
  --alert-bg-open: #eaf5ef;
  --alert-bg-full: #fdf0ed;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;

  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(26,58,74,0.10);
  --shadow-lg: 0 8px 40px rgba(26,58,74,0.15);
}

/* ── Base ───────────────────────────────────────────────────────────────────── */
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--sand);
  color: var(--sea);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at 80% 0%, rgba(90,145,120,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 90%, rgba(212,168,83,0.10) 0%, transparent 50%);
}

/* ── Header ─────────────────────────────────────────────────────────────────── */
.site-header {
  background: var(--kelp);
  color: var(--foam);
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--foam);
}

.logo em {
  font-style: italic;
  font-weight: 400;
  color: var(--mist);
}

.logo-icon { font-size: 1.4rem; }

.tagline {
  font-size: 0.82rem;
  color: var(--mist);
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* ── Main ───────────────────────────────────────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ── Section ────────────────────────────────────────────────────────────────── */
.section {
  background: var(--foam);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(139,115,85,0.12);
  animation: fadeUp 0.4s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-label {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--kelp);
  margin-bottom: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ── Campground cards ───────────────────────────────────────────────────────── */
.campground-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.campground-card {
  background: var(--sand);
  border: 2px solid var(--sand-dark);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  position: relative;
  overflow: hidden;
}

.campground-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(90,145,120,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.campground-card:hover:not(.campground-card--soon) {
  border-color: var(--kelp-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.campground-card.active {
  border-color: var(--kelp);
  background: rgba(45,74,62,0.05);
  box-shadow: 0 0 0 3px rgba(45,74,62,0.15), var(--shadow);
}

.campground-card--soon {
  opacity: 0.6;
  cursor: default;
}

.card-badge {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--driftwood);
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
}

.card-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--sea);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.82rem;
  color: var(--driftwood);
  line-height: 1.5;
}

.card-soon {
  margin-top: 0.75rem;
  display: inline-block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: var(--sand-dark);
  color: var(--driftwood);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Search form ─────────────────────────────────────────────────────────────── */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--driftwood);
  font-family: var(--font-mono);
}

.form-group input,
.form-group select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--sea);
  background: var(--sand);
  border: 1.5px solid var(--sand-dark);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b7355' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--kelp-light);
  box-shadow: 0 0 0 3px rgba(90,145,120,0.15);
}

.btn-check {
  background: var(--kelp);
  color: var(--foam);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 2rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-check:hover { background: var(--kelp-mid); box-shadow: var(--shadow); }
.btn-check:active { transform: scale(0.98); }
.btn-check:disabled { opacity: 0.6; cursor: not-allowed; }

/* ── Results ─────────────────────────────────────────────────────────────────── */
.results-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.reserve-link {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  color: var(--kelp-light);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.reserve-link:hover { text-decoration: underline; color: var(--kelp); }

/* Facility block */
.facility-block { margin-bottom: 1.5rem; }
.facility-name {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--driftwood);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--sand-dark);
}

/* Site grid / table */
.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.results-table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--driftwood);
  background: var(--sand);
  border-bottom: 1.5px solid var(--sand-dark);
  white-space: nowrap;
}

.results-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--sand);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  vertical-align: middle;
}

.results-table tr:hover td { background: var(--sand); }

.site-name-cell {
  font-weight: 500;
  color: var(--sea);
}

.pill {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.pill--open {
  background: var(--alert-bg-open);
  color: var(--alert-open);
}

.pill--full {
  background: var(--alert-bg-full);
  color: var(--alert-full);
}

.pill--blocked {
  background: #f0f0f0;
  color: #888;
}

.pill--error {
  background: #fff3cd;
  color: #856404;
}

/* Summary row */
.summary-bar {
  display: flex;
  gap: 1.5rem;
  padding: 1rem 0;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--sand-dark);
  flex-wrap: wrap;
}

.summary-stat {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--driftwood);
}

.summary-stat strong {
  font-size: 1.25rem;
  font-family: var(--font-display);
  color: var(--kelp);
}

/* Error state */
.error-msg {
  background: var(--alert-bg-full);
  color: var(--alert-full);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.875rem;
  border-left: 3px solid var(--alert-full);
}

/* ── Footer ─────────────────────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.75rem;
  color: var(--driftwood);
  opacity: 0.7;
}

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .main-content { padding: 1.25rem 1rem; }
  .section { padding: 1.25rem; }
  .results-table { font-size: 0.78rem; }
  .results-table th, .results-table td { padding: 0.4rem 0.5rem; }
  .header-inner { gap: 0.75rem; }
}

/* ── Loading spinner ─────────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

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