/* =====================================================================
   CSS Custom Properties
   ===================================================================== */
:root {
  --color-bg: #0f0f0f;
  --color-surface: #1a1a1a;
  --color-surface-2: #242424;
  --color-border: #2e2e2e;
  --color-accent: #FF6B35;
  --color-accent-dim: rgba(255, 107, 53, 0.15);
  --color-text: #f0f0f0;
  --color-text-secondary: #a0a0a0;
  --color-green: #4caf50;
  --color-red: #ef5350;
  --color-gray: #757575;
  --color-realized: #9e9e9e;
  --font-display: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
  --touch: 44px;
  --header-h: 56px;
  --filters-h: auto;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-display);
  min-height: 100dvh;
  overscroll-behavior-y: contain;
}

img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
select { font-family: inherit; }
input { font-family: inherit; }

/* =====================================================================
   Header
   ===================================================================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  padding: 0 16px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.app-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.btn-refresh {
  min-width: var(--touch);
  min-height: var(--touch);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s;
}
.btn-refresh:hover { color: var(--color-accent); border-color: var(--color-accent); }
.btn-refresh.spinning { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* =====================================================================
   Filters Bar
   ===================================================================== */
.filters-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

/* Mode toggle */
.filter-mode-toggle {
  display: flex;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.mode-btn {
  padding: 6px 12px;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  min-height: var(--touch);
  transition: background 0.15s, color 0.15s;
}
.mode-btn.active {
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
}

/* Pills */
.pills-container { display: flex; flex-wrap: wrap; gap: 6px; }

.pill {
  padding: 6px 14px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  min-height: var(--touch);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.pill.active, .pill[aria-pressed="true"] {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Interval inputs */
.interval-container { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.range-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}
.range-label input[type="number"],
.range-label input[type="date"] {
  width: 80px;
  padding: 6px 8px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  min-height: var(--touch);
}
.range-label input[type="date"] { width: 130px; }
.range-label input:focus { outline: 2px solid var(--color-accent); border-color: transparent; }

/* Selects row */
.filter-row-selects { gap: 8px; }
.select-wrapper {
  flex: 1;
  min-width: 140px;
}
.select-wrapper select {
  width: 100%;
  padding: 8px 10px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  min-height: var(--touch);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%23a0a0a0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}
.select-wrapper select:focus { outline: 2px solid var(--color-accent); }

/* Fonte multi-select */
.fonte-filter-wrapper {
  flex: 1;
  min-width: 140px;
  position: relative;
}

.fonte-filter-btn {
  width: 100%;
  padding: 8px 28px 8px 10px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.9rem;
  min-height: var(--touch);
  display: flex;
  align-items: center;
  text-align: left;
  position: relative;
  transition: border-color 0.15s, color 0.15s;
  cursor: pointer;
}
.fonte-filter-btn:focus { outline: 2px solid var(--color-accent); }
.fonte-filter-btn.active {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.fonte-filter-btn.active .fonte-filter-chevron { color: var(--color-accent); }

#fonteFilterLabel {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fonte-filter-chevron {
  position: absolute;
  right: 10px;
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  pointer-events: none;
  transition: transform 0.15s;
}
.fonte-filter-btn[aria-expanded="true"] .fonte-filter-chevron { transform: rotate(180deg); }

.fonte-filter-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 100%;
  width: max-content;
  max-width: min(320px, 90vw);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 200;
  padding: 4px 0;
  max-height: 280px;
  overflow-y: auto;
}

.fonte-filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: background 0.1s, color 0.1s;
  user-select: none;
}
.fonte-filter-option:hover { background: var(--color-surface-2); color: var(--color-text); }
.fonte-filter-option.checked { color: var(--color-text); }
.fonte-filter-option input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
  flex-shrink: 0;
}

/* Search */
.filter-row-search { padding-bottom: 2px; }
.search-input {
  width: 100%;
  padding: 8px 12px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.95rem;
  min-height: var(--touch);
  transition: border-color 0.15s;
}
.search-input::placeholder { color: var(--color-text-secondary); }
.search-input:focus { outline: 2px solid var(--color-accent); border-color: transparent; }

/* Meta row */
.filter-meta { justify-content: space-between; }

.result-count {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.btn-clear {
  padding: 6px 14px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  min-height: var(--touch);
  transition: color 0.15s, border-color 0.15s;
}
.btn-clear:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* =====================================================================
   Cards List
   ===================================================================== */
.cards-list {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 680px;
  margin: 0 auto;
}

/* =====================================================================
   Month Section
   ===================================================================== */
.month-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.month-separator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.month-separator:hover {
  background: var(--color-accent-dim);
}

.month-separator-label {
  flex: 1;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  white-space: nowrap;
}

.month-count {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  white-space: nowrap;
  letter-spacing: 0;
  text-transform: none;
}

.month-chevron {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-dim);
  border-radius: 50%;
  font-size: 0.75rem;
  color: var(--color-accent);
  transition: background 0.15s, color 0.15s;
}

.month-separator:hover .month-chevron {
  background: var(--color-accent);
  color: #fff;
}

.month-cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.month-cards--collapsed {
  display: none;
}

/* =====================================================================
   Card
   ===================================================================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--color-accent); }

.card-collapsed {
  display: flex;
  gap: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.card-img-wrap {
  position: relative;
  width: 100px;
  min-width: 100px;
  overflow: hidden;
  background: var(--color-surface-2);
}
.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.card-body {
  flex: 1;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.card-date { font-family: var(--font-mono); color: var(--color-text); font-size: 0.82rem; }
.card-location { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.card-distances { display: flex; flex-wrap: wrap; gap: 4px; }
.dist-pill {
  padding: 2px 8px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* Status badges */
.badge-status {
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 3px 8px;
  border-radius: 10px;
  flex-shrink: 0;
}
.badge-open { background: rgba(76,175,80,.15); color: #4caf50; }
.badge-closed { background: rgba(239,83,80,.15); color: #ef5350; }
.badge-realized { background: rgba(158,158,158,.12); color: #9e9e9e; }
.badge-soon { background: rgba(158,158,158,.1); color: #9e9e9e; }

.badge-fontes {
  font-size: 0.72rem;
  color: var(--color-accent);
  font-weight: 600;
  white-space: nowrap;
}

/* =====================================================================
   Expanded section
   ===================================================================== */
.card-expanded {
  border-top: 1px solid var(--color-border);
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 0.88rem;
}

.expanded-title {
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.35;
  word-break: break-word;
}

.expanded-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
  font-weight: 700;
}

.dist-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.dist-table th {
  text-align: left;
  padding: 4px 8px;
  color: var(--color-text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.78rem;
}
.dist-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
}
.dist-table tr:last-child td { border-bottom: none; }

.expanded-period p {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.fonte-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}
.fonte-nome-text {
  font-weight: 700;
  font-size: 0.85rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-inscricao {
  flex-shrink: 0;
  padding: 5px 12px;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.btn-inscricao:hover { background: var(--color-accent); color: #fff; }

.inscricao-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-top: 4px;
}
.inscricao-table th {
  text-align: left;
  padding: 3px 6px;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}
.inscricao-table td {
  padding: 5px 6px;
  border-bottom: 1px solid var(--color-border);
}
.inscricao-table tr:last-child td { border-bottom: none; }
.inscricao-valor { font-family: var(--font-mono); font-weight: 600; color: var(--color-accent); }
.inscricao-link a {
  color: var(--color-accent);
  font-size: 0.78rem;
  text-decoration: none;
}
.inscricao-link a:hover { text-decoration: underline; }
.tag-open { color: var(--color-green); font-weight: 600; font-size: 0.78rem; }
.tag-closed { color: var(--color-red); font-size: 0.78rem; }

/* =====================================================================
   Utilities
   ===================================================================== */
.hidden { display: none !important; }

.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--color-text-secondary);
}
.empty-state p { margin-bottom: 16px; }

/* =====================================================================
   Responsive
   ===================================================================== */
@media (min-width: 500px) {
  .card-img-wrap { width: 130px; min-width: 130px; }
  .card-title { font-size: 1rem; }
}

@media (min-width: 680px) {
  .cards-list { padding: 16px; }
  .filters-bar { padding: 12px 24px; }
  .app-header { padding: 0 24px; }
}

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