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

:root {
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --accent: #f97316;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Accessibility ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Hero ---- */
.hero {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-bottom: 1px solid var(--surface-2);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--accent);
}

.tagline {
  margin-top: 0.75rem;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.tagline strong {
  color: var(--green);
}

/* ---- Main ---- */
main {
  flex: 1;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ---- Search ---- */
.search-section {
  margin-bottom: 2rem;
}

.search-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

#location-input {
  flex: 1;
  min-width: 200px;
  padding: 0.85rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--surface-2);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

#location-input:focus {
  border-color: var(--accent);
}

#search-btn {
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}

#search-btn:hover:not(:disabled) {
  opacity: 0.88;
}

#search-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---- Results header ---- */
.results-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.results-header h2 {
  font-size: 1.4rem;
  font-weight: 700;
}

.results-meta {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ---- Filter bar ---- */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--surface-2);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ---- Venue cards ---- */
.venue-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.venue-card {
  background: var(--surface);
  border: 1px solid var(--surface-2);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color 0.2s;
}

.venue-card:hover {
  border-color: var(--accent);
}

.venue-card.serving {
  border-left: 4px solid var(--green);
}

.venue-card.not-serving {
  border-left: 4px solid var(--red);
}

.venue-card.unknown {
  border-left: 4px solid var(--amber);
}

.venue-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.venue-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.venue-name:hover {
  color: var(--accent);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.status-badge.serving {
  background: rgba(34, 197, 94, 0.15);
  color: var(--green);
}

.status-badge.not-serving {
  background: rgba(239, 68, 68, 0.15);
  color: var(--red);
}

.status-badge.unknown {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber);
}

.venue-desc {
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

.venue-hours {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.venue-hours strong {
  color: var(--text);
}

.venue-url {
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

.venue-url a {
  color: var(--accent);
  text-decoration: none;
}

.venue-url a:hover {
  text-decoration: underline;
}

/* ---- Hour blocks table ---- */
.hours-table {
  margin-top: 0.75rem;
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.hours-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 0.2rem 0.5rem 0.2rem 0;
  border-bottom: 1px solid var(--surface-2);
}

.hours-table td {
  padding: 0.2rem 0.5rem 0.2rem 0;
  color: var(--text);
}

.hours-detail summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 0.5rem;
  list-style: none;
}

.hours-detail summary::before {
  content: '▸ ';
}

.hours-detail[open] summary::before {
  content: '▾ ';
}

/* ---- Loading ---- */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--muted);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--surface-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

/* ---- Error ---- */
.error-section {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  color: var(--red);
}

/* ---- Footer ---- */
footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--surface-2);
}

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

/* ---- Utility ---- */
.hidden {
  display: none !important;
}