/* ══════════════════════════════════════════════════════════
   MARCH MADNESS — NCAA Tournament Visualization
   styles.css — Design System & Layout
   ══════════════════════════════════════════════════════════ */

/* ── Theme Variables ── */
:root,
[data-theme="dark"] {
  --bg: #0B0E11;
  --panel: #12161B;
  --card: #1A1F26;
  --border: #2A3038;
  --text: #E8EAED;
  --text-muted: #8B929A;
  --text-dim: #555D67;
  --accent: #FF4136;
  --accent-hover: #FF5A50;
  --accent-glow: rgba(255, 65, 54, 0.3);
  --input-bg: #1A1F26;
  --input-border: #2A3038;
  --input-focus: #3A4048;
  --shadow: rgba(0, 0, 0, 0.4);
  --panel-shadow: rgba(0, 0, 0, 0.3);
  --seed-btn-shadow: rgba(255, 255, 255, 0.08);
  --dot-opacity: 0.25;
}

[data-theme="light"] {
  --bg: #F5F6F8;
  --panel: #FFFFFF;
  --card: #F0F1F3;
  --border: #DDE0E4;
  --text: #1A1D21;
  --text-muted: #555D67;
  --text-dim: #8B929A;
  --accent: #CC0000;
  --accent-hover: #E00000;
  --accent-glow: rgba(204, 0, 0, 0.25);
  --input-bg: #F0F1F3;
  --input-border: #DDE0E4;
  --input-focus: #C5C8CC;
  --shadow: rgba(0, 0, 0, 0.1);
  --panel-shadow: rgba(0, 0, 0, 0.06);
  --seed-btn-shadow: rgba(0, 0, 0, 0.12);
  --dot-opacity: 0.35;
}

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

/* ── Base ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  transition: background-color 0.2s, color 0.2s;
}

/* Condensed for headings, labels, data */
h1, h2, h3, .section-label, .stat-val, .stat-label, .tile-label {
  font-family: 'Barlow Condensed', 'Barlow', sans-serif;
}

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

button:focus:not(:focus-visible),
input:focus:not(:focus-visible) {
  outline: none;
}


/* ══════════════════════════════════════════════════════════
   SIDE PANEL
   ══════════════════════════════════════════════════════════ */

.side-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 40;
  display: flex;
  flex-direction: column;
  box-shadow: 2px 0 16px var(--panel-shadow);
  transition: transform 0.25s ease, background-color 0.2s, border-color 0.2s;
}

.side-panel::-webkit-scrollbar { width: 4px; }
.side-panel::-webkit-scrollbar-track { background: transparent; }
.side-panel::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* ── Panel Header ── */
.panel-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  transition: border-color 0.2s;
  position: relative;
}

/* Accent stripe at top of panel */
.side-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent) 60%, transparent);
  z-index: 1;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.app-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 8px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

/* Bracket icon [ ] */
.app-icon::before,
.app-icon::after {
  content: '';
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 5px;
  border: 2px solid rgba(255, 255, 255, 0.85);
}

.app-icon::before {
  left: 7px;
  border-right: none;
  border-radius: 2px 0 0 2px;
}

.app-icon::after {
  right: 7px;
  border-left: none;
  border-radius: 0 2px 2px 0;
}

.panel-header h1 {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1.1;
}

.panel-subtitle {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.3px;
  margin-top: 2px;
  line-height: 1.4;
}

/* ── Panel Sections ── */
.panel-section {
  padding: 14px 20px;
}

.panel-divider {
  height: 1px;
  background: var(--border);
  margin: 0 20px;
  transition: background-color 0.2s;
}

.section-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}


/* ══════════════════════════════════════════════════════════
   VIEW SWITCHER
   ══════════════════════════════════════════════════════════ */

.view-tabs {
  display: flex;
  gap: 0;
  background: var(--card);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border);
  transition: background-color 0.2s, border-color 0.2s;
}

.tab {
  flex: 1;
  padding: 7px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
  text-align: center;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}


/* ══════════════════════════════════════════════════════════
   SCHOOL SEARCH
   ══════════════════════════════════════════════════════════ */

.school-search-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  align-items: center;
}

#school-input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.2s;
}

#school-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

#school-input::placeholder {
  color: var(--text-dim);
}

/* ── Dropdown ── */
#school-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 100%;
  max-height: 240px;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  z-index: 50;
  display: none;
  box-shadow: 0 8px 24px var(--shadow);
}

#school-dropdown .dd-item {
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.1s;
  font-family: 'Barlow', sans-serif;
  color: var(--text);
}

#school-dropdown .dd-item:hover {
  background: var(--card);
}

#school-dropdown .dd-item:first-child { border-radius: 8px 8px 0 0; }
#school-dropdown .dd-item:last-child { border-radius: 0 0 8px 8px; }

.dd-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}


/* ══════════════════════════════════════════════════════════
   SELECTED SCHOOL TAGS
   ══════════════════════════════════════════════════════════ */

#selected-schools {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.school-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  letter-spacing: 0.3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .school-tag {
  border-color: rgba(0, 0, 0, 0.1);
}

.school-tag:hover {
  transform: scale(1.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.school-tag .x {
  font-size: 14px;
  opacity: 0.6;
  line-height: 1;
}

.school-tag:hover .x {
  opacity: 1;
}


/* ══════════════════════════════════════════════════════════
   STATS PANEL
   ══════════════════════════════════════════════════════════ */

#stats-panel {
  display: none;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

#stats-panel.visible {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
  transition: background-color 0.2s, border-color 0.2s;
}

.stat-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.stat-label {
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-top: 2px;
}


/* ══════════════════════════════════════════════════════════
   YEAR RANGE SLIDER
   ══════════════════════════════════════════════════════════ */

.year-range-display {
  display: flex;
  justify-content: center;
  margin-bottom: 6px;
}

.year-range-display span {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.5px;
}

.dual-slider {
  position: relative;
  width: 100%;
  height: 28px;
  /* Draw the track as a pseudo-element instead of on each input */
}
.dual-slider::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  z-index: 0;
}

.dual-slider input[type="range"] {
  position: absolute;
  width: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  height: 28px;
  margin: 0;
  z-index: 1;
}

/* Hide the native track completely */
.dual-slider input[type="range"]::-webkit-slider-runnable-track {
  height: 0;
  background: transparent;
  border: none;
}

.dual-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  pointer-events: auto;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  margin-top: 0;
  position: relative;
  z-index: 3;
  transition: transform 0.1s;
}

.dual-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Firefox */
.dual-slider input[type="range"]::-moz-range-track {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  border: none;
}

.dual-slider input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  pointer-events: auto;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}


/* ══════════════════════════════════════════════════════════
   SEED FILTER
   ══════════════════════════════════════════════════════════ */

#seed-legend {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
}

.seed-btn {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.1s, box-shadow 0.15s, opacity 0.15s;
  position: relative;
}

.seed-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 0 14px var(--seed-btn-shadow);
  z-index: 1;
}

.seed-btn:active {
  transform: scale(0.95);
}

.seed-btn.dimmed {
  opacity: 0.12;
  transform: scale(0.92);
}


/* ══════════════════════════════════════════════════════════
   COLOR MODE
   ══════════════════════════════════════════════════════════ */

.color-mode-tabs {
  display: flex;
  background: var(--card);
  border-radius: 8px;
  padding: 3px;
  border: 1px solid var(--border);
  transition: background-color 0.2s, border-color 0.2s;
}

.color-mode-btn {
  flex: 1;
  padding: 7px 8px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s;
  text-align: center;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.color-mode-btn:hover {
  color: var(--text);
}

.color-mode-btn.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}


/* ══════════════════════════════════════════════════════════
   THEME TOGGLE
   ══════════════════════════════════════════════════════════ */

.panel-footer {
  padding: 14px 20px;
  margin-top: auto;
  border-top: 1px solid var(--border);
  transition: border-color 0.2s;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.theme-toggle-btn:hover {
  color: var(--text);
  border-color: var(--input-focus);
}

.theme-icon {
  font-size: 15px;
  line-height: 1;
}


/* ══════════════════════════════════════════════════════════
   MAIN CONTENT
   ══════════════════════════════════════════════════════════ */

.main-content {
  margin-left: 280px;
  flex: 1;
  padding: 24px;
  min-height: 100vh;
  position: relative;
}

/* Subtle court-inspired background pattern */
.main-content::before {
  content: '';
  position: fixed;
  top: 0;
  left: 280px;
  right: 0;
  bottom: 0;
  background-image:
    /* Center circle */
    radial-gradient(circle at 50% 50%, transparent 119px, var(--border) 120px, var(--border) 121px, transparent 122px),
    /* Half-court line */
    linear-gradient(to right, transparent calc(50% - 0.5px), var(--border) calc(50% - 0.5px), var(--border) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    /* Subtle dot grid */
    radial-gradient(circle, var(--border) 0.5px, transparent 0.5px);
  background-size: 100% 100%, 100% 100%, 24px 24px;
  background-position: center, center, 0 0;
  background-repeat: no-repeat, no-repeat, repeat;
  opacity: var(--dot-opacity);
  pointer-events: none;
  z-index: 0;
  transition: opacity 0.2s;
}


/* ── Clear Button ── */
.clear-btn {
  margin-top: 6px;
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 11px;
  border-radius: 4px;
  cursor: pointer;
  font-family: 'Barlow', sans-serif;
  transition: all 0.15s;
}
.clear-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Conference Select ── */
.conf-select {
  width: 100%;
  padding: 7px 10px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 12px;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  font-family: 'Barlow', sans-serif;
}
.conf-select:focus { border-color: var(--accent); }

/* ── Toggle Label ── */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
}
.toggle-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
}

/* ── Team Stat Cards (horizontal scroll) ── */
#team-cards-wrap {
  padding: 0 16px 12px;
}
.team-cards {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.team-cards::-webkit-scrollbar { height: 4px; }
.team-cards::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.team-card {
  min-width: 200px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  flex-shrink: 0;
  border-top: 3px solid var(--accent);
  transition: background-color 0.2s, border-color 0.2s;
}
.team-card-aggregate {
  border-top-color: var(--accent);
  background: var(--panel);
  border-width: 1px;
  border-top-width: 3px;
}
.team-card-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.team-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
}
.team-card-stat {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}
.team-card-stat .tc-label { color: var(--text-muted); }
.team-card-stat .tc-val { color: var(--text); font-weight: 600; font-family: 'Barlow Condensed', sans-serif; }

/* ══════════════════════════════════════════════════════════
   TILES VIEW
   ══════════════════════════════════════════════════════════ */

#tiles-view {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 32px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}

.tile {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.15s, filter 0.15s;
}

.tile:hover {
  transform: translateY(-3px);
}

.tile canvas {
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: box-shadow 0.15s;
}

.tile:hover canvas {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.tile-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.tile-2020 {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}

.tile-2020 canvas {
  border-radius: 4px;
}


/* ══════════════════════════════════════════════════════════
   COMPOSITE VIEW
   ══════════════════════════════════════════════════════════ */

#composite-view {
  overflow-x: auto;
  position: relative;
  z-index: 1;
}

#composite-view canvas {
  display: block;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}


/* ══════════════════════════════════════════════════════════
   TOOLTIP (always dark for readability)
   ══════════════════════════════════════════════════════════ */

#tooltip {
  position: fixed;
  pointer-events: none;
  background: rgba(10, 12, 16, 0.96);
  border: 1px solid #3A4048;
  border-radius: 8px;
  padding: 12px 16px;
  font: 13px/1.5 'Barlow', sans-serif;
  color: #E8EAED;
  max-width: 340px;
  opacity: 0;
  transition: opacity 0.1s;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

#tooltip.visible {
  opacity: 1;
}

.tt-header {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  color: #8B929A;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.tt-winner, .tt-loser {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 3px 0;
}

.tt-winner {
  color: #fff;
  font-weight: 600;
}

.tt-loser {
  color: #777;
}

.tt-seed {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
}

.tt-team {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tt-score {
  font-family: 'Barlow Condensed', sans-serif;
  font-variant-numeric: tabular-nums;
  margin-left: auto;
  font-weight: 600;
}


/* ══════════════════════════════════════════════════════════
   MOBILE PANEL TOGGLE
   ══════════════════════════════════════════════════════════ */

.panel-toggle {
  display: none;
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 50;
  width: 40px;
  height: 40px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--shadow);
  transition: all 0.15s;
}

.panel-toggle:hover {
  background: var(--card);
}

.panel-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 35;
}

.panel-overlay.active {
  display: block;
}


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .side-panel {
    transform: translateX(-100%);
  }

  .side-panel.open {
    transform: translateX(0);
  }

  .panel-toggle {
    display: flex;
  }

  .main-content {
    margin-left: 0;
    padding: 16px;
    padding-top: 60px;
  }

  .main-content::before {
    left: 0;
  }
}