/* -------------------------------------------------------------
 * Panda Chess Scoreboard - Stylesheet (Lecture Mode Sizing)
 * Optimized for smartboards, classroom projectors, and streaming.
 * Features massive typography, large touch buttons, and flat layouts.
 * ------------------------------------------------------------- */

/* Custom Fonts & Variable Tokens */
:root {
  --hue-slate: 208;
  --hue-primary: 150;
  
  /* Color Variables */
  --bg-dark: hsl(var(--hue-slate) 24% 8%);
  --bg-panel: hsl(var(--hue-slate) 20% 12%);
  --bg-panel-hover: hsl(var(--hue-slate) 18% 15%);
  --primary: hsl(var(--hue-primary) 58% 38%);
  --primary-light: hsl(var(--hue-primary) 62% 48%);
  --primary-glow: hsla(var(--hue-primary), 60%, 45%, 0.15);
  
  --accent: hsl(45 95% 52%); /* Gold for selectors/awards */
  --accent-light: hsl(45 100% 64%);
  --accent-glow: rgba(253, 206, 0, 0.2);
  
  --danger: hsl(354 75% 55%);
  --danger-light: hsl(354 85% 62%);
  --success: hsl(145 60% 42%);
  
  --text-main: hsl(var(--hue-slate) 15% 94%);
  --text-muted: hsl(var(--hue-slate) 12% 65%);
  --text-dark: hsl(var(--hue-slate) 30% 10%);
  
  /* Borders & Blurs */
  --glass-bg: rgba(24, 32, 41, 0.75);
  --glass-border: rgba(255, 255, 255, 0.05);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  /* Shadows & Depth */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 15px var(--primary-glow);
  
  /* Fonts */
  --font-fun: "Fredoka", sans-serif;
  --font-ui: "Outfit", sans-serif;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ============================================================================
 * MULTI-THEME CUSTOM COLOR SCHEME OVERRIDES
 * ============================================================================ */

/* -------------------------------------------------------------
 * 1. MINIMALIST DARK THEME OVERRIDES
 * ------------------------------------------------------------- */
body.theme-minimal-dark {
  --bg-dark: #121212;
  --bg-panel: #1a1a1a;
  --bg-panel-hover: #222222;
  --primary: #ffffff;
  --primary-light: #f2f2f2;
  --primary-glow: rgba(255, 255, 255, 0.08);
  --accent: #f1c40f;
  --accent-light: #f1c40f;
  --accent-glow: rgba(241, 196, 15, 0.1);
  --glass-bg: #1a1a1a;
  --glass-border: #2d2d2d;
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-glow: none;
  --text-main: #f0f0f0;
  --text-muted: #888888;
}

body.theme-minimal-dark .bg-forest-glow {
  display: none !important;
}

body.theme-minimal-dark .app-header {
  border-radius: 0;
  border-top: none;
  border-left: none;
  border-right: none;
  background: #1a1a1a;
  box-shadow: none;
}

body.theme-minimal-dark .panel {
  border-radius: 4px;
  box-shadow: none;
  background: #1a1a1a;
}

body.theme-minimal-dark .panel:hover {
  box-shadow: none;
}

body.theme-minimal-dark .metric-card {
  border-radius: 4px;
  background: transparent;
  border-color: #2d2d2d;
}

body.theme-minimal-dark .metric-card:hover {
  transform: none;
  background: #222222;
}

body.theme-minimal-dark .metric-val {
  color: #ffffff;
}

body.theme-minimal-dark .btn-primary {
  background: #ffffff;
  color: #121212;
  border-radius: 4px;
  box-shadow: none;
}

body.theme-minimal-dark .btn-primary:hover {
  background: #e5e5e5;
  transform: none;
  box-shadow: none;
}

body.theme-minimal-dark .btn-outline {
  border-color: #2d2d2d;
  color: #ffffff;
  border-radius: 4px;
}

body.theme-minimal-dark .btn-outline:hover {
  background: #222222;
  border-color: #ffffff;
  color: #ffffff;
}

body.theme-minimal-dark .btn-icon {
  border-radius: 4px;
  border-color: #2d2d2d;
}

body.theme-minimal-dark .btn-icon:hover {
  background: #222222;
  border-color: #ffffff;
}

body.theme-minimal-dark .student-card {
  background: #1e1e1e;
  border-radius: 4px;
  border: 1px solid #2d2d2d;
}

body.theme-minimal-dark .student-card:nth-child(even) {
  background: #1e1e1e;
}

body.theme-minimal-dark .student-card.picker-highlight {
  border-color: #ffffff;
  background: #2a2a2a;
  transform: scale(1.02);
  box-shadow: none;
}

body.theme-minimal-dark .score-val {
  color: #ffffff;
  text-shadow: none;
}

body.theme-minimal-dark .selector-display-card {
  border-radius: 4px;
  background: #161616;
  box-shadow: none;
}

body.theme-minimal-dark .matrix-square {
  border-color: #222222;
  background: #1a1a1a;
  color: #444444;
}

body.theme-minimal-dark .matrix-square:nth-child(odd) {
  background: #1f1f1f;
}

body.theme-minimal-dark .matrix-square.highlight-hop {
  background: #ffffff;
  color: #121212;
  box-shadow: none;
  transform: none;
}

body.theme-minimal-dark .selected-student-overlay {
  background: #161616;
}

body.theme-minimal-dark .overlay-badge {
  background: #ffffff;
  color: #121212;
  border-radius: 2px;
  animation: none;
}

body.theme-minimal-dark .history-drawer {
  border-left: 1px solid #2d2d2d;
  background: #1a1a1a;
  box-shadow: none;
}

body.theme-minimal-dark .history-drawer-backdrop {
  background: rgba(0, 0, 0, 0.4);
}

body.theme-minimal-dark .history-timeline-card {
  border-radius: 4px;
  border-color: #2d2d2d;
  background: #1e1e1e;
}

/* -------------------------------------------------------------
 * 2. SLEEK LIGHT MODE OVERRIDES
 * ------------------------------------------------------------- */
body.theme-sleek-light {
  --bg-dark: #f3f6f9;
  --bg-panel: #ffffff;
  --bg-panel-hover: #fcfdfe;
  --primary: #0f9f58; /* Premium emerald green */
  --primary-light: #15bc6b;
  --primary-glow: rgba(15, 159, 88, 0.08);
  --accent: #d4af37; /* Warm gold */
  --accent-light: #e5c158;
  --accent-glow: rgba(212, 175, 55, 0.15);
  --danger: #d9383a;
  --danger-light: #e85557;
  --success: #0f9f58;
  --text-main: #1a202c; /* Clean dark grey-blue for highly readable text */
  --text-muted: #718096; /* Slate grey for metadata */
  --text-dark: #1a202c;
  --glass-bg: #ffffff;
  --glass-border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 12px rgba(15, 159, 88, 0.05);
}

body.theme-sleek-light .bg-forest-glow {
  background: radial-gradient(circle, rgba(15, 159, 88, 0.03) 0%, transparent 70%) !important;
}

body.theme-sleek-light h1,
body.theme-sleek-light h2,
body.theme-sleek-light h3,
body.theme-sleek-light h4 {
  color: #1a202c !important;
}

body.theme-sleek-light .logo-text h1 {
  background: linear-gradient(135deg, #1a202c 40%, var(--primary) 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

body.theme-sleek-light .student-card {
  background: #ffffff;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

body.theme-sleek-light .student-card:nth-child(even) {
  background: #f7fafc;
}

body.theme-sleek-light .student-card.picker-highlight {
  border-color: var(--primary-light);
  background: rgba(15, 159, 88, 0.03);
  box-shadow: 0 0 15px rgba(15, 159, 88, 0.1);
}

body.theme-sleek-light .student-name {
  color: #1a202c;
}

body.theme-sleek-light .spotlight-msg {
  color: #1a202c;
}

body.theme-sleek-light .selector-display-card {
  background: #edf2f7;
  border-color: #cbd5e0;
}

body.theme-sleek-light .matrix-square {
  background: rgba(0, 0, 0, 0.02);
  color: rgba(0, 0, 0, 0.25);
  border-color: rgba(0, 0, 0, 0.03);
}

body.theme-sleek-light .matrix-square:nth-child(odd) {
  background: rgba(0, 0, 0, 0.04);
}

body.theme-sleek-light .matrix-square.highlight-hop {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(15, 159, 88, 0.4);
}

body.theme-sleek-light .selected-student-overlay {
  background: radial-gradient(circle, #ffffff 0%, #f7fafc 100%);
}

body.theme-sleek-light .selected-student-overlay h2 {
  color: #1a202c;
}

body.theme-sleek-light input[type="text"] {
  background: #ffffff;
  border-color: #cbd5e0;
  color: #1a202c;
}

body.theme-sleek-light input[type="text"]:focus {
  border-color: var(--primary);
  background: #ffffff;
}

body.theme-sleek-light .custom-select {
  background: #ffffff;
  border-color: #cbd5e0;
  color: #1a202c;
}

body.theme-sleek-light .btn-outline {
  color: #4a5568;
  border-color: #cbd5e0;
}

body.theme-sleek-light .btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  background: rgba(15, 159, 88, 0.05);
  color: var(--primary);
}

body.theme-sleek-light .btn-score-adjust {
  background: rgba(0, 0, 0, 0.03);
  color: #2d3748;
}

body.theme-sleek-light .btn-score-adjust:hover {
  background: var(--primary);
  color: #ffffff;
}

body.theme-sleek-light .btn-score-adjust.btn-sub:hover {
  background: var(--danger);
}

body.theme-sleek-light .btn-card-delete {
  color: rgba(0, 0, 0, 0.15);
}

body.theme-sleek-light .student-card:hover .btn-card-delete {
  color: rgba(0, 0, 0, 0.4);
}

body.theme-sleek-light .btn-card-delete:hover {
  color: var(--danger) !important;
}

body.theme-sleek-light .history-drawer {
  background: #ffffff;
  box-shadow: -10px 0 30px rgba(0,0,0,0.08);
}

body.theme-sleek-light .history-drawer-backdrop {
  background: rgba(0, 0, 0, 0.3);
}

body.theme-sleek-light .history-timeline-card {
  background: #f7fafc;
  border-color: #e2e8f0;
}

body.theme-sleek-light .history-timeline-card h4 {
  color: #2d3748;
}

body.theme-sleek-light .history-timeline-card .history-date {
  color: var(--primary);
}

body.theme-sleek-light .history-draw-row {
  border-bottom-color: rgba(0,0,0,0.03);
}

body.theme-sleek-light .history-draw-row .draw-count {
  color: var(--primary);
}

/* -------------------------------------------------------------
 * 3. HIGH-CONTRAST TV (1080p LEGACY MODE) OVERRIDES
 * ------------------------------------------------------------- */
body.theme-contrast-tv {
  --bg-dark: #000000;
  --bg-panel: #000000;
  --bg-panel-hover: #111111;
  --primary: #00e5ff; /* Vibrant high contrast Cyan */
  --primary-light: #80f7ff;
  --primary-glow: rgba(0, 229, 255, 0.2);
  --accent: #ffeb3b; /* High visibility pure yellow */
  --accent-light: #ffff72;
  --accent-glow: rgba(255, 235, 59, 0.2);
  --danger: #ff1744; /* Neon high contrast red */
  --danger-light: #ff5252;
  --success: #00e676; /* Neon high contrast green */
  --glass-bg: #000000;
  --glass-border: #ffffff; /* Thick white border instead of transparent gray */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-glow: none;
  --text-main: #ffffff; /* High contrast pure white */
  --text-muted: #ffff72; /* Pure high contrast yellow for labels so it stands out */
  --text-dark: #000000;
}

body.theme-contrast-tv .bg-forest-glow {
  display: none !important;
}

body.theme-contrast-tv .app-header {
  border: 2px solid #ffffff;
  background: #000000;
  box-shadow: none;
}

body.theme-contrast-tv .panel {
  border: 2px solid #ffffff;
  background: #000000;
  box-shadow: none;
}

body.theme-contrast-tv .panel:hover {
  box-shadow: none;
}

body.theme-contrast-tv .metric-card {
  border: 2px solid #ffffff;
  background: #000000;
}

body.theme-contrast-tv .metric-card:hover {
  background: #111111;
  transform: none;
}

body.theme-contrast-tv .metric-val {
  color: #ffeb3b;
}

body.theme-contrast-tv .student-card {
  background: #000000;
  border: 2px solid #ffffff;
}

body.theme-contrast-tv .student-card:nth-child(even) {
  background: #000000;
}

body.theme-contrast-tv .student-card.picker-highlight {
  border-color: #ffeb3b;
  border-width: 3px;
  background: #111100;
  transform: scale(1.02);
}

body.theme-contrast-tv .student-name {
  color: #ffffff;
  font-weight: 800;
}

body.theme-contrast-tv .student-called-count {
  color: #ffeb3b; /* pure contrast yellow */
  font-weight: 700;
}

body.theme-contrast-tv .score-val {
  color: #ffeb3b;
  font-weight: 800;
}

body.theme-contrast-tv .score-lbl {
  color: #ffffff;
  font-weight: 700;
}

body.theme-contrast-tv .btn-score-adjust {
  border: 2px solid #ffffff;
  background: #000000;
  color: #ffffff;
}

body.theme-contrast-tv .btn-score-adjust:hover {
  background: #ffeb3b;
  color: #000000;
  border-color: #ffeb3b;
}

body.theme-contrast-tv .btn-score-adjust.btn-sub:hover {
  background: #ff1744;
  color: #ffffff;
  border-color: #ff1744;
}

body.theme-contrast-tv .btn-card-delete {
  color: #ff1744;
  opacity: 1;
  font-weight: bold;
}

body.theme-contrast-tv .selector-display-card {
  border: 2px solid #ffffff;
  background: #000000;
}

body.theme-contrast-tv .spotlight-msg {
  color: #ffffff;
  font-weight: 800;
}

body.theme-contrast-tv .matrix-square {
  background: #000000;
  color: rgba(255, 255, 255, 0.4);
  border: 1.5px solid #333333;
  font-weight: 700;
}

body.theme-contrast-tv .matrix-square:nth-child(odd) {
  background: #000000;
}

body.theme-contrast-tv .matrix-square.highlight-hop {
  background: #ffeb3b;
  color: #000000;
  box-shadow: none;
  font-weight: 900;
}

body.theme-contrast-tv .selected-student-overlay {
  background: #000000;
  border: 3px solid #ffeb3b;
}

body.theme-contrast-tv .selected-student-overlay h2 {
  color: #ffffff;
}

body.theme-contrast-tv .selected-student-overlay h2::before {
  color: #ffeb3b;
}

body.theme-contrast-tv .btn-success {
  background: #00e676;
  color: #000000;
  border: 2px solid #00e676;
  font-weight: 800;
}

body.theme-contrast-tv .btn-success:hover {
  background: #ffffff;
  border-color: #ffffff;
}

body.theme-contrast-tv .btn-ghost {
  border: 2px solid #ffffff;
  background: #000000;
  color: #ffffff;
  font-weight: 700;
}

body.theme-contrast-tv .btn-ghost:hover {
  background: #ffffff;
  color: #000000;
}

body.theme-contrast-tv input[type="text"] {
  background: #000000;
  border: 2px solid #ffffff;
  color: #ffffff;
}

body.theme-contrast-tv input[type="text"]:focus {
  border-color: #ffeb3b;
}

body.theme-contrast-tv .custom-select {
  background: #000000;
  border: 2px solid #ffffff;
  color: #ffffff;
}

body.theme-contrast-tv .btn-outline {
  border: 2px solid #ffffff;
  color: #ffffff;
  background: #000000;
}

body.theme-contrast-tv .btn-outline:hover:not(:disabled) {
  background: #ffffff;
  color: #000000;
}

body.theme-contrast-tv .history-drawer {
  background: #000000;
  border-left: 2px solid #ffffff;
  box-shadow: none;
}

body.theme-contrast-tv .history-drawer-backdrop {
  background: rgba(0, 0, 0, 0.5);
}

body.theme-contrast-tv .history-timeline-card {
  background: #000000;
  border: 2px solid #ffffff;
}

body.theme-contrast-tv .history-timeline-card .history-date {
  color: #ffeb3b;
}

body.theme-contrast-tv .history-timeline-card .history-stats {
  color: #ffffff;
}

body.theme-contrast-tv .history-attendees-list {
  border-top-color: #ffffff;
  border-bottom-color: #ffffff;
  color: #ffffff;
}

body.theme-contrast-tv .history-draw-row {
  border-bottom-color: #333333;
}

body.theme-contrast-tv .history-draw-row .draw-count {
  color: #ffeb3b;
}

/* ============================================================================
 * GLOBAL RESET & ACCENTS SETUP
 * ============================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-ui);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Background Atmosphere Glows */
.bg-forest-glow {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsla(var(--hue-slate), 50%, 25%, 0.12) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
}

.bg-forest-glow-2 {
  top: auto;
  bottom: -15%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, hsla(var(--hue-primary), 50%, 20%, 0.06) 0%, transparent 70%);
}

/* App Shell Layout */
.app-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 100vh;
}

/* App Header Styling */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 10;
}

.logo-area {
  display: flex;
  align-items: center;
}

.logo-text h1 {
  font-family: var(--font-fun);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header-metrics {
  display: flex;
  gap: 12px;
}

.metric-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 6px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 90px;
  transition: all var(--transition-fast);
}

.metric-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-1px);
}

.metric-val {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-fun);
  color: var(--accent);
}

.metric-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* App Grid Layout */
.app-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: start;
}

/* Panels styling */
.panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow var(--transition-normal);
}

.panel-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-with-icon {
  display: flex;
  align-items: center;
  gap: 10px;
}

.title-with-icon i {
  font-size: 18px;
  color: var(--accent);
}

.title-with-icon h2 {
  font-family: var(--font-fun);
  font-size: 18px;
  font-weight: 700;
}

/* Form Drawer Collapsible */
.drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(0, 0, 0, 0.15);
}

.drawer.open {
  max-height: 200px;
  border-bottom: 1px solid var(--glass-border);
}

.add-student-form {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input[type="text"] {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 18px;
  outline: none;
  transition: all var(--transition-fast);
}

input[type="text"]:focus {
  border-color: var(--primary-light);
  background: rgba(255, 255, 255, 0.07);
}

.form-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

/* Toolbar Scoreboard */
.roster-toolbar {
  padding: 12px 20px;
  background: rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toolbar-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.custom-select {
  background: var(--bg-panel);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 700;
  outline: none;
  cursor: pointer;
}

/* Scoreboard list */
.scoreboard-container {
  padding: 20px;
  min-height: 650px;
  max-height: none;
  overflow-y: visible;
}

.empty-roster-msg {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 250px;
  text-align: center;
  color: var(--text-muted);
  gap: 12px;
}

.empty-roster-msg h3 {
  font-family: var(--font-fun);
  font-size: 22px;
  color: #ffffff;
}

.roster-grid {
  display: grid;
  grid-template-columns: 1fr; /* Single column large list view for great lecture list layout */
  gap: 16px;
}

/* Super Clean Simplified Student Card - Text-only Expanded Lecture Mode layout */
.student-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 22px 30px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  position: relative;
  transition: all var(--transition-bounce);
  overflow: hidden;
}

.student-card:nth-child(even) {
  background: rgba(255, 255, 255, 0.04);
}

.student-card.picker-highlight {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  background: rgba(254, 206, 0, 0.08);
  transform: scale(1.02);
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Massive Readable Student Name */
.student-name {
  font-family: var(--font-fun);
  font-size: 28px;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 480px;
}

.student-called-count {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 700;
  opacity: 0;
  transform: translateY(3px);
  transition: all var(--transition-fast);
}

.student-card:hover .student-called-count {
  opacity: 1;
  transform: translateY(0);
}

.card-score-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.score-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
}

/* Huge Score Value display */
.score-val {
  font-family: var(--font-fun);
  font-size: 46px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.score-lbl {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.score-btn-group {
  display: flex;
  flex-direction: row; /* Horizontal button layout in cards for easier tapping */
  gap: 8px;
}

/* Large touch targets button size adjustments */
.btn-score-adjust {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  width: 54px;
  height: 36px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-score-adjust:hover {
  background: var(--primary);
  border-color: var(--primary-light);
  color: #ffffff;
}

.btn-score-adjust.btn-sub:hover {
  background: var(--danger);
  border-color: var(--danger-light);
}

.btn-card-delete {
  position: absolute;
  top: 6px;
  right: 6px;
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.12);
  cursor: pointer;
  font-size: 12px;
  padding: 4px;
}

.student-card:hover .btn-card-delete {
  color: rgba(255, 255, 255, 0.35);
}

.student-card:hover .btn-card-delete:hover {
  color: var(--danger-light);
}

/* Floating scores animation scaled */
.score-float {
  position: absolute;
  top: 10px;
  right: 120px;
  font-family: var(--font-fun);
  font-weight: 700;
  font-size: 24px;
  color: var(--accent);
  pointer-events: none;
  animation: floatUpAndFade 0.8s forwards ease-out;
}

@keyframes floatUpAndFade {
  0% { transform: translateY(0) scale(0.8); opacity: 0; }
  25% { opacity: 1; transform: translateY(-3px) scale(1.15); }
  100% { transform: translateY(-40px) scale(0.9); opacity: 0; }
}

/* Selector right column deck */
.column-deck {
  display: flex;
  flex-direction: column;
}

.panel-deck-controls {
  display: flex;
  flex-direction: column;
}

.deck-content-panels {
  padding: 20px;
}

.deck-panel {
  flex-direction: column;
  gap: 16px;
}

/* Gorgeous, Widescreen Typography-focused Selector Display Card */
.selector-display-card {
  height: 420px; /* Tall box to fit names beautifully and use screen estate */
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

#confetti-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

/* Flat spotlight clean design without circles */
.selector-spotlight {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--text-main);
  gap: 12px;
  z-index: 1;
}

.bounce-knight {
  animation: bounceKn 2s infinite ease-in-out;
}

@keyframes bounceKn {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

/* Large Spotlight Ready Text */
.spotlight-msg {
  font-family: var(--font-fun);
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.spotlight-msg i {
  font-size: 52px;
}

.chess-selector-matrix {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.chess-selector-matrix.active {
  opacity: 1;
}

.matrix-square {
  background: rgba(255, 255, 255, 0.015);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  font-weight: 700;
  color: rgba(255,255,255,0.12);
  font-family: var(--font-fun);
  border: 0.5px solid rgba(255, 255, 255, 0.015);
  transition: all 0.05s;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 4px;
}

.matrix-square:nth-child(odd) {
  background: rgba(255, 255, 255, 0.03);
}

.matrix-square.highlight-hop {
  background: var(--accent);
  color: var(--bg-dark);
  font-size: 24px;
  box-shadow: 0 0 20px var(--accent);
  z-index: 2;
}

/* Winner Spotlight Elegant Vertical Layout (Lecture Sizing) */
.selected-student-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(24, 33, 41, 0.98) 0%, rgba(10, 15, 20, 0.99) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px;
  gap: 20px;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.15);
}

.selected-student-overlay.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* Massive Winner Title Display */
.selected-student-overlay h2 {
  font-family: var(--font-fun);
  font-size: 44px;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
  padding: 0;
  word-wrap: break-word;
  max-width: 100%;
  text-shadow: 0 0 15px var(--accent-glow);
}

.selected-student-overlay h2::before {
  content: '🎯 DRAW:';
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
}

.selected-student-controls {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 260px;
  gap: 10px;
  margin: 0;
}

.selected-student-controls .btn-success {
  width: 100%;
  padding: 14px 24px;
  font-size: 18px;
  text-align: center;
  justify-content: center;
}

.selected-student-controls .btn-ghost {
  width: 100%;
  padding: 10px 20px;
  font-size: 14px;
  text-align: center;
  justify-content: center;
}

/* Buttons visual core */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  border: none;
  color: #ffffff;
  padding: 12px 24px;
  font-family: var(--font-fun);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 10px var(--primary-glow);
  transition: all var(--transition-bounce);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-primary.btn-lg {
  padding: 16px 28px;
  font-size: 18px;
}

.btn-primary.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

.btn-secondary {
  background: #ffffff;
  border: none;
  color: #121212;
  padding: 10px 20px;
  font-family: var(--font-fun);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-secondary.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 8px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--primary-light);
  background: var(--primary-glow);
}

.btn-outline:disabled {
  opacity: 0.3;
}

.btn-outline.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn-ghost:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-sm);
}

.btn-ghost.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-danger {
  background: var(--danger);
  border: none;
  color: #ffffff;
  padding: 8px 16px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-danger.btn-sm {
  padding: 8px 16px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-success {
  background: var(--success);
  border: none;
  color: #ffffff;
  padding: 8px 16px;
  font-family: var(--font-fun);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.btn-icon {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-round);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.btn-icon.active {
  background: var(--primary-glow);
  border-color: var(--primary-light);
  color: var(--primary-light);
}

.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 26px;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 1px;
  left: 0;
  height: 16px;
  width: 16px;
  background-color: rgba(255,255,255,0.04);
  border: 1.5px solid var(--glass-border);
  border-radius: 4px;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary);
  border-color: var(--primary-light);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark::after {
  display: block;
}

.checkbox-container .checkmark::after {
  left: 4.5px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.chk-label {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-light);
  font-weight: 600;
  cursor: pointer;
  font-size: 11px;
  text-decoration: underline;
}

/* ============================================================================
 * CONSOLIDATED SETTINGS DRAWER STYLING
 * ============================================================================ */
.history-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease-in-out;
}

.history-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.history-drawer {
  position: fixed;
  top: 0;
  right: -400px;
  width: 380px;
  height: 100vh;
  background: var(--bg-panel);
  border-left: 1px solid var(--glass-border);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}

.history-drawer.open {
  right: 0;
}

.history-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-header h3 {
  font-family: var(--font-fun);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.history-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

/* Nested settings sections details */
.settings-section {
  padding: 18px 20px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-section.flex-expand {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 250px;
}

.settings-section h4 {
  font-family: var(--font-fun);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
  margin-bottom: 2px;
}

.settings-section-content {
  display: flex;
  flex-direction: column;
}

.history-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.history-timeline-card {
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.history-timeline-card h4 {
  font-family: var(--font-fun);
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: none;
  letter-spacing: normal;
}

.history-timeline-card .history-date {
  color: var(--accent);
}

.history-timeline-card .history-stats {
  font-size: 10px;
  color: var(--text-muted);
}

.history-attendees-list {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  padding: 4px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.04);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

.history-draws-summary {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
}

.history-draw-row {
  display: flex;
  justify-content: space-between;
  color: var(--text-main);
}

.history-draw-row .draw-count {
  font-weight: 700;
  color: var(--accent);
}

.empty-history-msg {
  text-align: center;
  color: var(--text-muted);
  padding: 24px 0;
  font-size: 12px;
}

.w-full {
  width: 100%;
}

.mt-3 {
  margin-top: 12px;
}

/* Adaptive media rules */
@media (max-width: 1024px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header {
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    align-items: stretch;
    text-align: center;
  }
  .header-metrics {
    justify-content: center;
  }
  .header-controls {
    justify-content: center;
  }
}