/* ============================================================
   styles.css — Mournes Forecast — Dark Mountain Theme
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       #1c2128;
  --border:        #30363d;
  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --accent:        #388bfd;
  --safe:          #3fb950;
  --caution:       #d29922;
  --danger:        #f85149;
  --safe-bg:       rgba(63, 185, 80, 0.12);
  --caution-bg:    rgba(210, 153, 34, 0.12);
  --danger-bg:     rgba(248, 81, 73, 0.12);

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --font-mono:  'SFMono-Regular', 'Consolas', 'Liberation Mono', monospace;
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---- Update Banner ---- */
.update-banner {
  background-color: rgba(56, 139, 253, 0.15);
  border-bottom: 1px solid var(--accent);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--text-primary);
  flex-wrap: wrap;
}

.update-banner__reload {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: opacity var(--transition);
}
.update-banner__reload:hover { opacity: 0.85; }

.update-banner__dismiss {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  margin-left: auto;
  font-size: 1rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}
.update-banner__dismiss:hover { color: var(--text-primary); }

/* ---- Cache Notice ---- */
.cache-notice {
  background: rgba(210, 153, 34, 0.12);
  border-bottom: 1px solid var(--caution);
  padding: 6px 16px;
  font-size: 0.8125rem;
  color: var(--caution);
  text-align: center;
  display: none;
}

/* ---- Watchdog Error ---- */
.watchdog-error {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  background: var(--bg-card);
  border: 1px solid var(--danger);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  max-width: calc(100vw - 32px);
}

.watchdog-error__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.watchdog-error__msg {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.watchdog-error__btn {
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: opacity var(--transition);
}
.watchdog-error__btn:hover { opacity: 0.85; }

/* ---- Header ---- */
#app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.header__title-icon {
  font-size: 1.4rem;
}

.header__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}

#mountain-select {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.875rem;
  cursor: pointer;
  appearance: auto;
  max-width: 240px;
}
#mountain-select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
#mountain-select option {
  background: var(--bg-card);
}

#prefs-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition);
}
#prefs-btn:hover { background: var(--border); }

/* ---- Mountain Info Bar ---- */
#mountain-info-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.info-bar__main {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.info-bar__right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-left: auto;
}

.info-bar__name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.info-bar__elevation {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

#last-updated {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

/* ---- Info bar description ---- */
.info-bar__desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: 0.75rem;
}

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.badge--safe {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid rgba(63, 185, 80, 0.3);
}
.badge--caution {
  background: var(--caution-bg);
  color: var(--caution);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.badge--danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

/* ---- Cloud & Freeze badges ---- */
.cloud-badge, .freeze-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

.cloud-badge--below {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}
.cloud-badge--near {
  background: var(--caution-bg);
  color: var(--caution);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.cloud-badge--above {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.freeze-badge--below {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}
.freeze-badge--above {
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

/* ---- Day Tabs ---- */
#day-tabs-container {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#day-tabs {
  display: flex;
  gap: 0;
  min-width: max-content;
}

.day-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  padding: 12px 18px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
}
.day-tab:hover {
  color: var(--text-primary);
}
.day-tab--active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---- Main Content ---- */
main {
  flex: 1;
  padding: 16px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ---- Loading State ---- */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  color: var(--text-secondary);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ---- Error State ---- */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  text-align: center;
}

.error-state__icon {
  font-size: 2.5rem;
}

.error-state__msg {
  color: var(--text-secondary);
  max-width: 400px;
}

/* ---- Buttons ---- */
.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity var(--transition);
}
.btn:hover { opacity: 0.85; }
.btn--accent {
  background: var(--accent);
  color: #fff;
}

/* ---- Day Panel ---- */
.day-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---- Period Cards Grid ---- */
.period-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/*
 * Subgrid alignment: each card spans the same 16 explicit row tracks so
 * identical metrics line up across all cards at any multi-column breakpoint.
 * row-gap: 0 keeps card-internal rows tight; bottom padding on the last cell
 * creates the visual gap between stacked visual rows of cards.
 */
@media (min-width: 640px) {
  .period-cards {
    grid-template-columns: 1fr 1fr;
    column-gap: 16px;
    row-gap: 0;
  }

  .period-card {
    grid-row: span 16;
    display: grid;
    grid-template-rows: subgrid;
    gap: 0;
    padding: 0;
    overflow: hidden;
  }

  /* Restore internal padding now that the card no longer has its own padding */
  .period-card__header {
    padding: 14px 16px 10px;
  }

  .period-card__weather {
    padding: 8px 16px 4px;
  }

  .period-card__row {
    padding: 4px 16px;
  }

  /* Extra bottom padding on the last row acts as the inter-card-row gap */
  .period-card > *:last-child {
    padding-bottom: 16px;
  }

  /* Unavailable cards only have 2 children; stretch the "na" message to fill
     the remaining 14 subgrid rows so other cards are not pushed out of shape */
  .period-card__na {
    grid-row: 2 / 17;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
  }
}

@media (min-width: 900px) {
  .period-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1300px) {
  .period-cards {
    grid-template-columns: repeat(5, 1fr);
  }

  /* At 5-column layout cards are narrow — stack label above value to prevent clipping */
  .period-card__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .period-card__row-label {
    min-width: unset;
  }

  .period-card__row-value {
    text-align: left;
    justify-content: flex-start;
  }
}

/* ---- Period Card ---- */
.period-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition);
}

.period-card--safe    { border-top: 3px solid var(--safe); }
.period-card--caution { border-top: 3px solid var(--caution); }
.period-card--danger  { border-top: 3px solid var(--danger); }
.period-card--unavailable {
  opacity: 0.5;
  border-style: dashed;
}

.period-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.period-card__label {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--text-primary);
}

.period-card__weather {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 6px 0;
}

.period-card__weather-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.period-card__weather-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.period-card__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  padding: 3px 0;
  gap: 8px;
}

.period-card__row-label {
  color: var(--text-secondary);
  min-width: 110px;
  flex-shrink: 0;
}

.period-card__row-value {
  color: var(--text-primary);
  text-align: right;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.period-card__wind-dir {
  display: flex;
  align-items: center;
  gap: 6px;
}

.period-card__unavailable {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
  padding: 20px 0;
}

/* ---- Wind Arrow ---- */
.wind-arrow {
  display: inline-block;
  font-size: 1rem;
  line-height: 1;
  /* rotation applied inline */
}

/* ---- Day Summary Bar ---- */
.day-summary {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.day-summary__item strong {
  color: var(--text-primary);
}

/* ---- Next rain bar ---- */
#next-rain-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.next-rain__label { font-weight: 600; color: var(--text-primary); }
.next-rain__value { color: var(--accent); }

/* ---- Status pills (cloud/freeze indicators) ---- */
.status-pill {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.status-pill--above { background: var(--safe-bg);    color: var(--safe); }
.status-pill--near  { background: var(--caution-bg); color: var(--caution); }
.status-pill--below { background: var(--danger-bg);  color: var(--danger); }

/* ---- Preferences panel ---- */
.prefs-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: flex-start;
  justify-content: flex-end;
}
.prefs-overlay--visible { display: flex; }

.prefs-panel {
  width: min(480px, 100vw);
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.prefs-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.prefs-panel__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.prefs-panel__close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.prefs-panel__close:hover { background: var(--bg-card); color: var(--text-primary); }

.prefs-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
}

.prefs-panel__footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  flex-shrink: 0;
}

.prefs-section {
  margin-bottom: 2rem;
}
.prefs-section__title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin: 0 0 1rem 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.prefs-section__hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin: -0.5rem 0 1rem 0;
  line-height: 1.5;
}

.prefs-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
.prefs-field:last-child { border-bottom: none; }
.prefs-field label {
  font-size: 0.9rem;
  color: var(--text-primary);
  flex: 1;
}
.prefs-field input[type="number"],
.prefs-field select {
  width: 130px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.35rem 0.6rem;
  border-radius: 6px;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.prefs-field input[type="number"]:focus,
.prefs-field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.prefs-field--checkbox {
  gap: 0.75rem;
  justify-content: flex-start;
}
.prefs-field--checkbox input { width: auto; flex-shrink: 0; }
.prefs-field--checkbox label { flex: unset; }


.btn--secondary {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* ---- Footer ---- */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer__left, .footer__right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#footer-version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.footer__attribution {
  font-size: 0.7rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

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

/* ---- Scrollbar styling (webkit) ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ---- Per-metric traffic-light value colours ---- */
.value--safe    { color: var(--safe)    !important; font-weight: 600; }
.value--caution { color: var(--caution) !important; font-weight: 600; }
.value--danger  { color: var(--danger)  !important; font-weight: 600; }

/* ---- Forecast confidence banner ---- */
.confidence-banner {
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  margin-bottom: 4px;
}
.confidence-banner--medium {
  background: var(--caution-bg);
  color: var(--caution);
  border: 1px solid rgba(210, 153, 34, 0.3);
}
.confidence-banner--low {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

/* ---- Footer separator ---- */
.footer__sep {
  color: var(--border);
}

/* ---- Period card — no-data message ---- */
.period-card__na {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
  padding: 20px 0;
}

/* ---- Rainfall chart ---- */
.rainfall-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px 8px;
}

.rainfall-chart__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.rainfall-chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* ---- Wind chart ---- */
.wind-chart-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px 8px;
}

.wind-chart__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.wind-chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* ============================================================
   Mobile-first responsive improvements
   ============================================================ */

/* Small screens: ensure all interactive elements meet 44px touch target */
@media (max-width: 600px) {

  /* Header: stack title above controls on very narrow screens */
  #app-header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 12px;
  }

  .header__title {
    font-size: 1.1rem;
  }

  .header__controls {
    margin-left: 0;
    width: 100%;
  }

  #mountain-select {
    flex: 1;
    max-width: none;
    width: 100%;
    min-height: 44px;
    font-size: 1rem;
    padding: 8px 10px;
  }

  #prefs-btn {
    min-height: 44px;
    min-width: 44px;
    padding: 8px 12px;
    font-size: 1.1rem;
  }

  /* Info bar: stack on two lines */
  #mountain-info-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 12px;
  }

  .info-bar__right {
    margin-left: 0;
    width: 100%;
    justify-content: space-between;
  }

  .info-bar__desc {
    display: none; /* hide description on small screens to save space */
  }

  /* Next rain bar */
  #next-rain-bar {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  /* Day tabs: reduce padding so more fit */
  .day-tab {
    padding: 10px 12px;
    font-size: 0.8125rem;
    min-height: 44px;
  }

  /* Main: reduce outer padding */
  main {
    padding: 10px;
  }

  /* Period cards: horizontal scroll with snap on mobile */
  .period-cards {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding-bottom: 4px;
    scrollbar-width: none; /* Firefox */
  }

  .period-cards::-webkit-scrollbar {
    display: none; /* Chrome / Safari */
  }

  /* Each card snaps into place and peeks the next card at the edge */
  .period-card {
    min-width: 82vw;
    flex-shrink: 0;
    scroll-snap-align: start;
    padding: 12px;
  }

  /* Row labels: side-by-side layout (sufficient width at 82vw) */
  .period-card__row {
    font-size: 0.8125rem;
  }

  .period-card__row-label {
    min-width: 100px;
    font-size: 0.8125rem;
  }

  /* Day summary: smaller text */
  .day-summary {
    font-size: 0.8125rem;
    gap: 10px;
    padding: 10px 12px;
  }

  /* Preferences panel: full width on mobile */
  .prefs-panel {
    width: 100vw;
    border-left: none;
  }

  .prefs-field {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .prefs-field input[type="number"],
  .prefs-field select {
    width: 100%;
  }

  .prefs-field--checkbox {
    flex-direction: row;
    align-items: center;
  }

  .prefs-field--checkbox input { width: auto; }
  .prefs-field--checkbox label { flex: 1; }

  /* Prefs panel footer: stack buttons full-width */
  .prefs-panel__footer {
    flex-direction: column;
  }

  .prefs-panel__footer .btn {
    width: 100%;
    min-height: 44px;
    text-align: center;
  }

  /* Buttons: minimum touch targets */
  .btn {
    min-height: 40px;
  }

  /* Footer: single column */
  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 10px 12px;
  }
}

/* Medium screens (tablet): 2-column period cards already handled at 640px */
@media (min-width: 601px) and (max-width: 900px) {
  main {
    padding: 14px;
  }
}

/* Ensure period-card rows stay clean at 640–900px (2-col grid) */
@media (min-width: 640px) and (max-width: 900px) {
  .period-card__row-label {
    min-width: 100px;
  }
}


/* ---- Focus styles ---- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Selection ---- */
::selection {
  background: rgba(56, 139, 253, 0.3);
  color: var(--text-primary);
}