:root {
  --color-favorable: #22c55e;
  --color-unfavorable: #ef4444;
  --color-uncertain: #eab308;
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-border: #334155;
  --color-text: #e2e8f0;
  --color-muted: #94a3b8;
  --color-today: #3b4f6b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

header {
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.header-meta {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-muted);
  letter-spacing: 0;
}

main {
  flex: 1;
  padding: 1.5rem;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
}

.loading-state {
  text-align: center;
  padding: 4rem 0;
  color: var(--color-muted);
  font-size: 1rem;
}

.error-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--color-unfavorable);
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 0.75rem;
}

.hidden {
  display: none !important;
}

/* Overview */
.overview {
  margin-bottom: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.overview-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 0.5rem;
}

.overview-legend {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.65rem;
}

.ov-leg {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--color-muted);
}

.ov-leg::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.ov-leg.safe::before    { background: var(--color-favorable); }
.ov-leg.flies::before   { background: var(--color-unfavorable); }
.ov-leg.unknown::before { background: #fff; border: 1px solid var(--color-border); }

.overview-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.overview-date-label {
  width: 60px;
  flex-shrink: 0;
  font-size: 0.62rem;
  color: var(--color-muted);
  text-align: right;
}

.overview-bar {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(24, 1fr);
  height: 14px;
  border-radius: 3px;
  overflow: hidden;
  gap: 1px;
  background: var(--color-border);
}

.overview-seg.seg-inactive {
  opacity: 0.2;
}

.overview-seg {
  height: 100%;
}

.seg-safe    { background: var(--color-favorable); }
.seg-flies   { background: var(--color-unfavorable); }
.seg-unknown { background: #ffffff; }

/* Axis bar */
.axis-bar {
  height: 12px;
  background: transparent;
  gap: 0;
}

.axis-tick {
  font-size: 0.5rem;
  color: var(--color-muted);
  text-align: left;
}

.cards-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Day section */
.day-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.day-header {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

/* Slots row */
.slots-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Individual slot card */
.slot-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 0.5rem 0.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  min-width: 90px;
  flex: 1;
  max-width: 120px;
  transition: transform 0.1s;
}

.slot-card:hover {
  transform: translateY(-2px);
}

.slot-card.status-favorable {
  border-top-color: var(--color-unfavorable);
}
.slot-card.status-unfavorable {
  border-top-color: var(--color-favorable);
}

.slot-time {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.slot-deg {
  font-size: 0.62rem;
  color: var(--color-muted);
}

.today-badge {
  display: inline-block;
  background: #4a6fa5;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  margin-top: 0.2rem;
}

/* Compass */
.compass {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.compass svg {
  transform: rotate(var(--wind-dir, 0deg));
  transition: transform 0.4s ease;
}

.compass-label {
  position: absolute;
  top: 2px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5rem;
  color: var(--color-muted);
  font-weight: 700;
}

.dominant-direction {
  font-size: 0.72rem;
  color: var(--color-muted);
  text-align: center;
}

.probability {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

.status-favorable .probability { color: var(--color-unfavorable); }
.status-unfavorable .probability { color: var(--color-favorable); }
.status-uncertain .probability { color: var(--color-uncertain); }

.status-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-favorable .status-label { color: var(--color-unfavorable); }
.status-unfavorable .status-label { color: var(--color-favorable); }
.status-uncertain .status-label { color: var(--color-uncertain); }

.hour-breakdown {
  display: flex;
  gap: 0.4rem;
  font-size: 0.65rem;
  color: var(--color-muted);
  flex-wrap: wrap;
  justify-content: center;
}

.hour-breakdown .fav { color: var(--color-favorable); }
.hour-breakdown .unf { color: var(--color-unfavorable); }
.hour-breakdown .unc { color: var(--color-uncertain); }

.cache-notice {
  position: fixed;
  top: 0.75rem;
  right: 1rem;
  font-size: 0.7rem;
  color: var(--color-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  z-index: 100;
}

footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-muted);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

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

.legend-item::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-item.favorable::before { background: var(--color-favorable); }
.legend-item.unfavorable::before { background: var(--color-unfavorable); }
.legend-item.uncertain::before { background: var(--color-uncertain); }

.footer-meta {
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}


@media (max-width: 480px) {
  .cards-grid {
    grid-template-columns: 1fr 1fr;
  }
  header h1 {
    font-size: 1.35rem;
  }
  .legend {
    flex-direction: column;
    align-items: center;
  }
}