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

:root {
  --olympic-blue: #993820;
  --olympic-yellow: #f4c300;
  --olympic-black: #1a1a2e;
  --olympic-green: #009f3d;
  --olympic-red: #df0024;
  --park-city-accent: #2d6a4f;
  --bg-primary: #f5f1eb;
  --bg-card: #ffffff;
  --bg-header: var(--olympic-blue);
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-light: #ffffff;
  --border-color: #dee2e6;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --radius: 4px;
  --radius-sm: 4px;
}

/* ===== Inline SVG Icons ===== */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  flex-shrink: 0;
}

.icon-xs {
  width: 0.7em;
  height: 0.7em;
}

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

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

/* ===== Header (mobile-first) ===== */
.site-header {
  background: linear-gradient(135deg, var(--olympic-blue) 0%, #6b2718 100%);
  color: var(--text-light);
  padding: 1.25rem 1rem;
  text-align: center;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.site-subtitle {
  font-size: 0.85rem;
  opacity: 0.85;
  font-weight: 400;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 0.75rem;
}

/* ===== Controls Bar (mobile-first: stacked) ===== */
.controls {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.filter-group {
  display: flex;
  gap: 0.25rem;
  justify-content: center;
}

.filter-btn,
.sort-btn {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.filter-btn:hover,
.sort-btn:hover {
  border-color: var(--olympic-blue);
  color: var(--olympic-blue);
}

.filter-btn.active {
  background: var(--olympic-blue);
  color: var(--text-light);
  border-color: var(--olympic-blue);
}

.sort-btn.active {
  background: var(--olympic-black);
  color: var(--text-light);
  border-color: var(--olympic-black);
}

.sort-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  justify-content: center;
}

.sort-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.search-group {
  margin-left: 0;
}

.search-input {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  width: 100%;
  outline: none;
  transition: border-color 0.15s ease;
  -webkit-appearance: none;
}

.search-input:focus {
  border-color: var(--olympic-blue);
  box-shadow: 0 0 0 2px rgba(153, 56, 32, 0.15);
}

/* ===== Status Bar ===== */
.status-bar {
  padding: 0.6rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffc107;
}

.status-bar.error {
  background: #f8d7da;
  color: #721c24;
  border-color: #f5c6cb;
}

.status-bar.info {
  background: #d1ecf1;
  color: #0c5460;
  border-color: #bee5eb;
}

.hidden {
  display: none !important;
}

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

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--olympic-blue);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 0.8s linear infinite;
}

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

/* ===== Schedule Container ===== */
.schedule-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* ===== Date Group ===== */
.date-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.date-header {
  font-size: 1rem;
  font-weight: 700;
  color: var(--olympic-black);
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--olympic-blue);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 10;
  padding-top: 0.5rem;
}

/* Athlete view header */
.athlete-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.5rem;
}

.athlete-header-name {
  font-size: 1.1rem;
}

.athlete-header .badge {
  font-size: 0.6rem;
  padding: 0.05rem 0.3rem;
  border-radius: 9999px;
  background: var(--park-city-accent);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  vertical-align: middle;
}

.athlete-country {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.athlete-header-meta {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ===== Event Card (mobile-first: single column) ===== */
.event-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 0.75rem 2.75rem 0.75rem 0.75rem;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--olympic-blue);
  transition: box-shadow 0.15s ease;
  position: relative;
}

.event-card:hover {
  box-shadow: var(--shadow-md);
}

.event-time {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--olympic-blue);
  padding-top: 0.1rem;
}

.event-date-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.1rem;
}

.event-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.event-sport {
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.event-sport .icon {
  width: 1.1em;
  height: 1.1em;
  color: var(--olympic-blue);
}

.event-name {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.event-athletes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.25rem;
}

.athlete-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  border-radius: 9999px;
  background: #f5ebe8;
  color: var(--olympic-blue);
  font-weight: 500;
}

.athlete-tag.park-city {
  background: #e8f5e9;
  color: var(--park-city-accent);
}

.athlete-tag .badge {
  font-size: 0.6rem;
  padding: 0.05rem 0.3rem;
  border-radius: 9999px;
  background: var(--park-city-accent);
  color: white;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.event-venue {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

/* ===== Broadcast/TV Schedule ===== */
.event-broadcast {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.3rem;
  padding: 0.3rem 0.5rem;
  background: #f0f0f5;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.event-broadcast > .icon {
  width: 1em;
  height: 1em;
  color: var(--text-secondary);
}

.broadcast-entry {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.broadcast-network {
  font-weight: 700;
  color: var(--text-primary);
}

.broadcast-time {
  color: var(--text-secondary);
}

.broadcast-type {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.05rem 0.35rem;
  border-radius: 9999px;
  background: #e0e0e0;
  color: var(--text-secondary);
}

.broadcast-type.live {
  background: var(--olympic-red);
  color: white;
}

.broadcast-type.primetime {
  background: var(--olympic-blue);
  color: white;
}

.broadcast-type.delayed {
  background: var(--olympic-yellow);
  color: var(--olympic-black);
}

.broadcast-type.streaming {
  background: #d1ecf1;
  color: #0c5460;
}

.broadcast-sep {
  color: var(--border-color);
  margin: 0 0.15rem;
}

/* Event status indicators */
.event-card.status-live {
  border-left-color: var(--olympic-red);
}

.event-card.status-completed {
  border-left-color: var(--text-secondary);
  opacity: 0.75;
}

.status-indicator {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  margin-left: 0.5rem;
}

.status-indicator.live {
  background: var(--olympic-red);
  color: white;
}

.status-indicator.completed {
  background: var(--text-secondary);
  color: white;
}

/* ===== Medal Event Prominence ===== */
.event-card:not(.qualifying) {
  border-left: 3px solid var(--olympic-yellow);
}

/* ===== Qualifying Event (Collapsed) ===== */
.event-card.qualifying {
  padding: 0.5rem 2.75rem 0.5rem 0.75rem;
  border-left: 3px solid var(--border-color);
  cursor: pointer;
  opacity: 0.8;
}

.event-card.qualifying:hover {
  opacity: 1;
}

.event-card.qualifying .cal-action {
  top: 0.35rem;
}

.event-card.qualifying .event-time {
  display: flex;
  align-items: center;
  font-size: 0.78rem;
}

.event-card.qualifying .event-summary {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.event-card.qualifying .event-sport {
  font-size: 0.82rem;
  white-space: nowrap;
}

.event-name-inline {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.expand-toggle {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
  transition: transform 0.15s ease;
}

.expand-toggle::after {
  content: '\25B8';
}

.event-card.qualifying.expanded .expand-toggle::after {
  content: '\25BE';
}

.event-card.qualifying .event-expanded {
  display: none;
}

.event-card.qualifying.expanded .event-expanded {
  display: block;
  margin-top: 0.5rem;
}

.event-card.qualifying.expanded {
  opacity: 1;
}

/* Preserve status border colors on qualifying cards */
.event-card.qualifying.status-live {
  border-left-color: var(--olympic-red);
}

.event-card.qualifying.status-completed {
  border-left-color: var(--text-secondary);
}

/* ===== Past Events (muted) ===== */
.date-group.past-group .date-header {
  color: var(--text-secondary);
  border-bottom-color: var(--border-color);
}

.event-card.past-event {
  opacity: 0.5;
  background: #f0ede8;
  border-left-color: #ccc !important;
}

.event-card.past-event:hover {
  opacity: 0.7;
}

.event-card.past-event .event-time {
  color: var(--text-secondary);
}

.event-card.past-event .event-sport,
.event-card.past-event .event-sport .icon {
  color: var(--text-secondary);
}

.event-card.past-event .athlete-tag {
  background: #e8e6e3;
  color: var(--text-secondary);
}

.event-card.past-event .athlete-tag.park-city {
  background: #e0e5e0;
  color: var(--text-secondary);
}

.event-card.past-event .athlete-tag .badge {
  background: var(--text-secondary);
}

/* Today highlight */
.date-group.today-group .date-header {
  color: var(--olympic-blue);
  border-bottom-color: var(--olympic-blue);
  border-bottom-width: 3px;
}

.date-header .today-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sm);
  background: var(--olympic-blue);
  color: white;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ===== Calendar Add Button ===== */
.cal-action {
  position: absolute;
  top: 0.5rem;
  right: 0.35rem;
}

.cal-action.open {
  z-index: 100;
}

.cal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.35rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.cal-btn-label {
  display: none;
}

.cal-btn-arrow {
  color: var(--text-secondary);
  transition: transform 0.15s ease;
  display: inline-flex;
  align-items: center;
}

.cal-btn-arrow .icon {
  width: 0.75em;
  height: 0.75em;
}

.cal-action.open .cal-btn-arrow {
  transform: rotate(180deg);
}

.cal-btn > .icon {
  width: 0.9em;
  height: 0.9em;
  color: var(--text-secondary);
}

.cal-btn:hover {
  background: var(--bg-primary);
  border-color: var(--olympic-blue);
}

.cal-btn:hover .cal-btn-label,
.cal-btn:hover .cal-btn-arrow,
.cal-btn:hover > .icon {
  color: var(--olympic-blue);
}

.cal-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 200px;
  overflow: hidden;
  z-index: 101;
}

.cal-action.open .cal-dropdown {
  display: block;
}

.cal-dropdown-title {
  padding: 0.5rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border-color);
}

.cal-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: background 0.1s ease;
}

.cal-link:hover {
  background: var(--bg-primary);
}

.cal-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.cal-icon.cal-google { background: #4285f4; }
.cal-icon.cal-outlook { background: #0078d4; }
.cal-icon.cal-yahoo { background: #6001d2; }
.cal-icon.cal-ics {
  background: #333;
}

.cal-icon.cal-ics .icon {
  width: 0.8em;
  height: 0.8em;
  stroke: white;
}

/* ===== No Results ===== */
.no-results {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.no-results h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 1.25rem 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  margin-top: 2rem;
}

/* ===== Tablet (641px+) ===== */
@media (min-width: 641px) {
  .site-header {
    padding: 1.75rem 1.5rem;
  }

  .site-title {
    font-size: 1.6rem;
  }

  .site-subtitle {
    font-size: 0.95rem;
  }

  .main-content {
    padding: 1.5rem 1rem;
  }

  .controls {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
  }

  .filter-group,
  .sort-group {
    justify-content: flex-start;
  }

  .search-group {
    margin-left: auto;
  }

  .search-input {
    width: 180px;
    font-size: 0.85rem;
  }

  .event-card {
    grid-template-columns: 90px 1fr;
    gap: 0 1rem;
    padding: 0.85rem 3rem 0.85rem 1rem;
  }

  .event-card.qualifying {
    padding: 0.5rem 3rem 0.5rem 1rem;
  }

  .cal-action {
    top: 0.6rem;
    right: 0.5rem;
  }

  .event-card.qualifying .cal-action {
    top: 0.35rem;
  }

  .cal-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
    gap: 0.3rem;
  }

  .cal-btn-label {
    display: inline;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
  }

  .date-header {
    font-size: 1.1rem;
  }

  .event-sport {
    font-size: 0.95rem;
  }

  .event-name {
    font-size: 0.85rem;
  }

  .athlete-tag {
    font-size: 0.78rem;
  }

  .site-footer {
    font-size: 0.8rem;
    padding: 1.5rem 1rem;
  }
}

/* ===== Desktop (961px+) ===== */
@media (min-width: 961px) {
  .site-header {
    padding: 2rem 1.5rem;
  }

  .site-title {
    font-size: 1.75rem;
  }

  .search-input {
    width: 220px;
  }
}