@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@300;400;500;600;700&display=swap');

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

:root {
  /* Neon Racing Palette */
  --bg-dark: #0f1115; /* Midnight slate */
  --bg-card: rgba(26, 29, 36, 0.85); /* Deep card with glass */
  --bg-secondary: #232730; /* Lighter panel */
  --bg-hover: #323844; 
  
  --fg: #f8fafc; /* Crisp white */
  --fg-muted: #94a3b8; /* Slate gray */
  --fg-dark: #475569; /* Dark slate */
  
  --accent: #06b6d4; /* Neon Cyan / Racing Cyan */
  --accent-glow: rgba(6, 182, 212, 0.3);
  --accent-hover: #22d3ee; 
  
  --border: rgba(255, 255, 255, 0.1); 
  --border-focus: rgba(6, 182, 212, 0.6);
  
  --font-display: 'Outfit', sans-serif;
  --font-ui: 'Inter', sans-serif;
}

body {
  background: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
  color: var(--fg);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--accent);
  color: #fff;
}

header {
  padding: 2.5rem 2.5rem 1.5rem;
  background: linear-gradient(to bottom, rgba(9, 9, 11, 0.95), transparent);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

header h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  text-shadow: 0 0 40px var(--accent-glow);
}

header p {
  margin-top: 0.5rem;
  color: var(--fg-muted);
  font-size: 0.95rem;
  font-weight: 400;
}

.main {
  flex: 1;
  padding: 2rem 2.5rem;
  max-width: 1500px;
  margin: 0 auto;
  width: 100%;
}

/* Glassmorphism utility */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Period selector */
.period-selector {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 0.75rem;
  padding: 1rem 1.5rem;
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: flex-end;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.filter-group label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input[type="number"] {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-family: var(--font-ui);
  outline: none;
  transition: all 0.2s ease;
  min-width: 140px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.filter-group input[type="number"] {
  min-width: 90px;
  width: 100px;
}

.filter-group select:focus,
.filter-group input:focus,
.filter-group select:hover,
.filter-group input:hover {
  border-color: var(--accent-focus);
  background: #2e2e33;
}

.filter-inline {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.filter-inline span {
  color: var(--fg-dark);
  font-size: 0.85rem;
}

.btn-reset {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg-muted);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font-display);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  align-self: flex-end;
}

.btn-reset:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Content layout */
.content {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
  min-width: 0;
}

/* Table section */
.table-section {
  min-width: 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 12px;
  width: 100%;
  min-width: 0;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
}

thead {
  background: rgba(39, 39, 42, 0.4);
}

th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}

th.num {
  text-align: right;
}

td {
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  font-weight: 400;
  word-break: break-word;
  white-space: normal;
}

td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--fg-muted);
}

td.count {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--fg);
}

tbody tr {
  transition: background-color 0.15s ease;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.empty-row td {
  text-align: center;
  color: var(--fg-dark);
  padding: 4rem;
  font-style: italic;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.btn-page {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--fg);
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  font-family: var(--font-display);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-page:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--bg-hover);
  color: var(--accent-hover);
}

.btn-page:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.page-info {
  font-variant-numeric: tabular-nums;
  padding: 0 0.5rem;
}

/* Chart section */
.chart-section {
  position: sticky;
  top: 2rem;
  min-width: 0;
}

.chart-card {
  padding: 1.5rem;
  min-width: 0;
}

.chart-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  text-align: center;
}

.chart-wrap {
  position: relative;
  height: 300px;
  width: 100%;
  min-width: 0;
}

.chart-empty {
  display: none;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--fg-dark);
  font-size: 0.9rem;
  text-align: center;
}

.chart-total {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}

.chart-total strong {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-size: 1.1rem;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

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

.table-loading {
  position: relative;
}

.table-loading table {
  opacity: 0.4;
  pointer-events: none;
  filter: blur(1px);
}

.table-loading .spinner-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  background: rgba(9, 9, 11, 0.7);
  padding: 1rem;
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-glow);
}

.table-loading .spinner-overlay::after {
  content: '';
  display: block;
  width: 36px;
  height: 36px;
  border: 3px solid transparent;
  border-top-color: var(--accent);
  border-right-color: var(--accent-hover);
  border-radius: 50%;
  animation: spin 0.8s ease-in-out infinite;
}

footer {
  margin-top: auto;
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--fg-dark);
  font-size: 0.8rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

footer span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

footer .label {
  font-family: var(--font-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  color: var(--fg-muted);
}

/* ── Tab navigation ─────────────────────────────────────────────────────── */

.tab-radio { display: none; }
.tab-content { display: none; margin-top: 1.5rem; }

#tab-datos:checked ~ .tab-nav ~ .tabs-wrapper .tab-datos-content,
#tab-evolucion:checked ~ .tab-nav ~ .tabs-wrapper .tab-evolucion-content,
#tab-info:checked ~ .tab-nav ~ .tabs-wrapper .tab-info-content {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  gap: 1.5rem;
  justify-content: center;
}

.tab-nav label {
  padding: 0.75rem 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s ease;
  user-select: none;
}

.tab-nav label:hover {
  color: var(--fg);
}

#tab-datos:checked ~ .tab-nav label[for="tab-datos"],
#tab-evolucion:checked ~ .tab-nav label[for="tab-evolucion"],
#tab-info:checked ~ .tab-nav label[for="tab-info"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-shadow: 0 0 12px var(--accent-glow);
}

/* ── Evolution tab ──────────────────────────────────────────────────────── */

.evolution-loading {
  padding: 3rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
  text-align: center;
}

.evolution-chart-section {
  margin-bottom: 2.5rem;
  padding: 1.5rem 2rem;
}

.evolution-chart-section h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 1rem;
}

.chart-mode-toggle {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.chart-mode-toggle label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.chart-mode-toggle label:hover {
  color: var(--fg);
}

.chart-mode-toggle input[type="radio"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.evolution-canvas-wrap {
  position: relative;
  height: 360px;
  width: 100%;
  min-width: 0;
}

.evolution-canvas-wrap--tall {
  height: 700px;
}

/* ── Info tab ───────────────────────────────────────────────────────────── */

.tab-info-content {
  max-width: 800px;
  margin: 0 auto;
}

.tab-info-content section {
  margin-bottom: 2.5rem;
}

.tab-info-content h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--border);
}

.tab-info-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

.tab-info-content .release-list {
  list-style: none;
  padding: 0;
}

.tab-info-content .release-list li {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.tab-info-content .release-list li:last-child {
  border-bottom: none;
}

.tab-info-content .release-date {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.tab-info-content .release-desc {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Media Queries */
@media (max-width: 1024px) {
  .content { grid-template-columns: 1fr; }
  .chart-section { position: relative; top: 0; }
  .hide-mobile { display: none !important; }
  th, td { padding: 0.75rem 0.5rem; }
}

@media (max-width: 768px) {
  header { padding: 1.5rem 1rem 1rem; }
  header h1 { font-size: 1.5rem; }
  .main { padding: 1rem; }
  th, td { padding: 0.5rem 0.25rem; font-size: 0.8rem; }
  th { font-size: 0.65rem; }
  
  .tab-nav { flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
  .tab-nav label { font-size: 0.85rem; padding: 0.5rem; flex: 1; text-align: center; }
  
  .period-selector { gap: 1rem; flex-wrap: wrap; }
  .filters { gap: 1rem; }
  .filter-group { flex: 1; min-width: calc(50% - 1rem); }
  .filter-group select, .filter-group input[type="number"] { width: 100%; min-width: 0; }
  .filter-inline input[type="number"] { width: 100%; }
  
  .btn-reset { width: 100%; margin-top: 0.5rem; }
  
  .chart-wrap { height: 250px; }
  
  .evolution-chart-section { padding: 1rem; }
  .evolution-canvas-wrap { height: 300px; }
  .evolution-canvas-wrap--tall { height: 400px; }
  
  footer { flex-direction: column; gap: 0.5rem; padding: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .filter-group { min-width: 100%; }
  .pagination-controls { flex-direction: column; width: 100%; margin-top: 1rem; }
  .btn-page { width: 100%; }
  .pagination { flex-direction: column; align-items: center; gap: 0.5rem; }
}