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

:root {
  --blue-deep: #1a3a5c;
  --blue-mid: #2e6b9e;
  --blue-light: #e8f1f8;
  --blue-pale: #f0f6fb;
  --sand: #f5f0e8;
  --sand-dark: #d4c9b5;
  --green: #2d9a4e;
  --amber: #e8a317;
  --red: #d93636;
  --text: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--blue-pale);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a { color: var(--blue-mid); }

/* ── Header ──────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
  color: var(--white);
  padding: 1.5rem 1rem;
}

.header__inner { text-align: center; }

.header__title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__subtitle {
  font-size: 0.95rem;
  opacity: 0.85;
  margin-top: 0.2rem;
}

.header__current {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.current-stat {
  text-align: center;
}

.current-stat__value {
  font-size: 1.3rem;
  font-weight: 700;
}

.current-stat__label {
  font-size: 0.75rem;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.current-loading {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* ── Legend ───────────────────────────────────────────── */
.legend {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  padding: 0.8rem 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

.legend__item { display: flex; align-items: center; gap: 0.3rem; }

.legend__link {
  font-size: 0.8rem;
  color: var(--blue-mid);
  text-decoration: none;
  margin-left: auto;
}
.legend__link:hover { text-decoration: underline; }

/* ── Discharge Alert ─────────────────────────────────── */
.discharge {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.discharge--active {
  background: #fde8e8;
  border: 1px solid #f5c6c6;
  color: #7f1d1d;
}

.discharge--recent {
  background: #fef3d6;
  border: 1px solid #f5e0a0;
  color: #78350f;
}

.discharge--clear {
  background: #e6f5ec;
  border: 1px solid #b8e0c8;
  color: #14532d;
}

.discharge__icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.discharge__text { flex: 1; }
.discharge__detail { display: block; font-size: 0.78rem; margin-top: 0.15rem; opacity: 0.8; }
.discharge__link { font-weight: 500; white-space: nowrap; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.dot--good { background: var(--green); }
.dot--fair { background: var(--amber); }
.dot--poor { background: var(--red); }

/* ── Main ────────────────────────────────────────────── */
.main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}

/* ── Cards ────────────────────────────────────────────── */
.cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem 1.2rem;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 1rem;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.card--today {
  border-left: 4px solid var(--blue-mid);
}

.card__date {
  text-align: center;
}

.card__day {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-light);
}

.card__datenum {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.card__month {
  font-size: 0.7rem;
  color: var(--text-light);
}

.card__info {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}

.card__tides {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tide-event {
  font-size: 0.78rem;
  color: var(--text-light);
}

.tide-event--high { color: var(--blue-mid); font-weight: 500; }

.sun-times {
  font-size: 0.75rem;
  color: var(--text-light);
  opacity: 0.8;
}

.sun-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #fef9e7;
  color: #92700c;
  padding: 0.15rem 0.55rem;
  border-radius: 12px;
  font-weight: 500;
  font-size: 0.75rem;
}

.card__weather {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
  flex-wrap: wrap;
}

.card__weather span { white-space: nowrap; }

.card__ratings {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

/* ── Window Badges (time-based activity ratings) ─────── */
.window-badge {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.78rem;
  padding: 0.2rem 0.55rem;
  border-radius: 8px;
  line-height: 1.3;
  flex-wrap: wrap;
}

.window-badge--good { background: #e6f5ec; color: #1a7a37; }
.window-badge--fair { background: #fef3d6; color: #956a00; }
.window-badge--poor { background: #fde8e8; color: #b91c1c; }

.window-badge__label {
  font-weight: 600;
  min-width: 3.2em;
}

.window-badge__time {
  font-weight: 500;
}

.window-badge__tide {
  font-size: 0.7rem;
  opacity: 0.75;
  font-weight: 400;
}

/* Window badges in detail panel */
.detail-windows {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  flex-wrap: wrap;
}

/* ── Wetsuit Badge ───────────────────────────────────── */
.card__wetsuit {
  font-size: 0.78rem;
}

.wetsuit-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #e0f2f1;
  color: #00695c;
  padding: 0.15rem 0.55rem;
  border-radius: 12px;
  font-weight: 500;
}

.detail-wetsuit {
  font-size: 0.85rem;
  color: #00695c;
  margin-bottom: 0.6rem;
}

/* ── Live Data Indicator ─────────────────────────────── */
.current-group {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.current-group__label {
  width: 100%;
  text-align: center;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.6;
  margin-bottom: -0.5rem;
}

.current-divider {
  width: 1px;
  background: rgba(255,255,255,0.25);
  align-self: stretch;
  margin: 0 0.5rem;
}

.live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  margin-right: 3px;
  vertical-align: middle;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Loading ─────────────────────────────────────────── */
.loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-light);
}

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

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

/* ── Error ───────────────────────────────────────────── */
.error {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--red);
  background: #fde8e8;
  border-radius: var(--radius);
}

/* ── Detail Panel ────────────────────────────────────── */
.detail-panel {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  margin-top: 1rem;
  position: relative;
}

.detail-panel__close {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-light);
  line-height: 1;
}

.detail-panel__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.hourly-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.hourly-table th {
  text-align: left;
  font-weight: 600;
  padding: 0.4rem 0.5rem;
  border-bottom: 2px solid var(--blue-light);
  white-space: nowrap;
  color: var(--text-light);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hourly-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid #f1f5f9;
  white-space: nowrap;
}

.hourly-table tr:hover td {
  background: var(--blue-pale);
}

.hourly-table .cell--good { color: var(--green); font-weight: 600; }
.hourly-table .cell--fair { color: var(--amber); font-weight: 600; }
.hourly-table .cell--poor { color: var(--red); font-weight: 600; }

/* ── Footer ──────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.72rem;
  color: var(--text-light);
  border-top: 1px solid var(--sand-dark);
  background: var(--sand);
}

.footer__disclaimer {
  max-width: 600px;
  margin: 0 auto 0.8rem;
  padding: 0.6rem 1rem;
  background: rgba(0,0,0,0.04);
  border-radius: 8px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: var(--text);
}

.footer__sources {
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.footer__sources p { margin-bottom: 0.3rem; }

.footer__update { margin-top: 0.6rem; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
  .card {
    grid-template-columns: 60px 1fr;
    gap: 0.6rem;
  }

  .card__ratings {
    grid-column: 1 / -1;
    flex-direction: column;
  }

  .window-badge { font-size: 0.72rem; }
  .window-badge__tide { font-size: 0.65rem; }

  .card__weather { gap: 0.5rem; }

  .hourly-table { font-size: 0.72rem; }

  .hourly-table th,
  .hourly-table td { padding: 0.3rem; }

  .detail-panel { padding: 1rem; }

  .header__title { font-size: 1.3rem; }
}

@media (min-width: 601px) {
  .header { padding: 2rem; }
  .header__title { font-size: 1.8rem; }
}

/* Overflow scroll for hourly table on mobile */
.detail-panel__content {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}