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

:root {
  --bg: #f7f6f2;
  --border: rgba(0, 0, 0, 0.07);
  --text: #1a1a1a;
  --text-muted: #aaa;
  --text-secondary: #666;
  --header-height: 52px;
}

html, body {
  height: 100%;
  background: var(--bg);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  color: var(--text);
  overflow: hidden;
}

/* ── Header ─────────────────────────────────────── */
header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 32px;
  border-bottom: 1px solid var(--border);
}

.toggles {
  display: flex;
  gap: 28px;
  align-items: center;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.toggle input {
  display: none;
}

.track {
  position: relative;
  width: 40px;
  height: 22px;
  background: #ddd;
  border-radius: 11px;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.track::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: left 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.toggle input:checked + .track {
  background: #1a1a1a;
}

.toggle input:checked + .track::after {
  left: 21px;
}

.toggle-label {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

#bridgeDaysLabel {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#bridgeDaysLabel.visible {
  opacity: 1;
  pointer-events: all;
}

/* ── Cards ───────────────────────────────────────── */
#cards {
  height: calc(100vh - var(--header-height));
  display: flex;
  flex-direction: column;
}

.card {
  position: relative;
  flex: 1;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.card:last-child {
  border-bottom: none;
}

.card canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.card-content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  pointer-events: none;
}

.card-name {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.4s ease;
}

.card-remaining {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-secondary);
  transition: color 0.4s ease;
}

/* State variants */
.card.state-not-work-time .card-name,
.card.state-not-work-time .card-remaining {
  color: #ccc;
}

.card.state-summer .card-name {
  color: #c4902a;
}

.card.state-summer .card-remaining {
  color: #c4902a;
  opacity: 0.8;
}

.card.state-off-season .card-name,
.card.state-off-season .card-remaining {
  color: #b0b8c8;
}

/* Loading state */
#loading {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  z-index: 100;
  transition: opacity 0.5s ease;
}

#loading.hidden {
  opacity: 0;
  pointer-events: none;
}