:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #6b6b6b;
  --card: #ffffff;
  --border: #e4e4e4;
  --primary: #3a7bd5;
  --primary-fg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #f0f0f0;
    --muted: #9a9a9a;
    --card: #1e1e1e;
    --border: #2c2c2c;
    --primary: #5b96e6;
    --primary-fg: #0a0a0a;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.container {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 1.25rem 1rem 2rem;
  display: flex;
  flex-direction: column;
}

h1 {
  font-size: 1.4rem;
  margin: 0;
  text-align: center;
}

.muted {
  color: var(--muted);
}

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

.center-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}

.day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.nav-arrow {
  font-size: 1.5rem;
  text-decoration: none;
  color: var(--fg);
  padding: 0.5rem 1rem;
}

.baby-header-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.35rem;
}

.baby-name-link {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}

.baby-gear-link {
  position: absolute;
  right: 0;
  font-size: 1.5rem;
  text-decoration: none;
  line-height: 1;
}

.event-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.event-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  color: inherit;
  text-decoration: none;
}

a.event-row:active {
  background: var(--border);
}

.event-row-ghost {
  background: transparent;
  border-style: dashed;
  opacity: 0.6;
}

.event-row-ghost .event-label {
  font-style: italic;
  font-weight: 400;
}

.vitamin-boxes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.vitamin-box {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  font: inherit;
  text-align: left;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.vitamin-box-pending {
  background: transparent;
  border: 2px dotted var(--border);
  opacity: 0.7;
}

.vitamin-box-pending .event-label {
  font-style: italic;
  font-weight: 400;
}

.vitamin-box-taken {
  background: var(--card);
  border: 2px solid var(--primary);
  opacity: 1;
}

.event-icon {
  font-size: 1.5rem;
}

.event-label {
  flex: 1;
  font-weight: 600;
}

.event-time {
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.action-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.action-bar-2col {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1rem;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 1.25rem 0.5rem;
  border-radius: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.action-icon {
  font-size: 2rem;
}

.action-subtext {
  font-style: italic;
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--muted);
}

.confirm-icon {
  font-size: 3.5rem;
}

.tile-group {
  border: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.tile-group legend {
  font-weight: 600;
  padding: 0 0 0.5rem;
  text-align: left;
}

.tile-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
}

.tile-options-quantity {
  grid-template-columns: repeat(4, 1fr);
}

.tile-radio {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.tile-btn {
  display: block;
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  font-weight: 600;
  cursor: pointer;
}

.tile-radio:checked + .tile-btn {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.tile-radio:focus-visible + .tile-btn {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.confirm-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  max-width: 320px;
}

.confirm-form label {
  font-weight: 600;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.time-select {
  font-size: 1.25rem;
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  text-align: center;
}

.text-input {
  font-size: 1.1rem;
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
}

.baby-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.baby-card-active {
  border-color: var(--primary);
}

.baby-switch {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.baby-actions {
  display: flex;
  gap: 0.5rem;
}

.baby-actions .btn {
  flex: 1;
  padding: 0.5rem;
  font-size: 0.85rem;
}

.btn {
  display: inline-block;
  text-align: center;
  padding: 0.9rem 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.btn-danger {
  background: #d64545;
  color: #ffffff;
  border-color: #d64545;
}

.btn-block {
  display: block;
  margin-bottom: 0.75rem;
}

.error-text {
  color: #d64545;
  font-weight: 600;
  font-size: 0.9rem;
}

.tab-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tab-btn {
  text-align: center;
  padding: 0.6rem 0.25rem;
  border-radius: 0.6rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.85rem;
}

.tab-btn-active {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.range-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  justify-content: center;
}

.range-btn {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
}

.range-btn-active {
  background: var(--primary);
  color: var(--primary-fg);
  border-color: var(--primary);
}

.chart-container {
  position: relative;
  height: 220px;
  margin-bottom: 1.25rem;
}

.pagination {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 1rem 0 1.5rem;
}

.pagination .btn {
  flex: 1;
}

.page-footer {
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
}

.page-footer a {
  color: inherit;
  text-decoration: underline;
}