/* ═══════════════════════════════════════════════════════════════════
   ReadyToGo Contest System — Modern, Premium & Competitive Arena UI
   Ultra-polished, Accessible, and 100% Responsive Across All Devices
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* Brand Core Palette */
  --rtg-blue: #2563eb;
  --rtg-blue-hover: #1d4ed8;
  --rtg-blue-light: #eff6ff;
  --rtg-blue-glow: rgba(37, 99, 235, 0.28);
  --rtg-indigo: #4f46e5;
  --rtg-navy: #0b132b;
  --rtg-slate-900: #0f172a;
  --rtg-slate-800: #1e293b;
  --rtg-slate-700: #334155;
  --rtg-slate-600: #475569;
  --rtg-muted: #64748b;
  --rtg-border: #e2e8f0;
  --rtg-border-subtle: #f1f5f9;
  --rtg-card-bg: #ffffff;

  /* Accent Metallics & Status */
  --rtg-gold: #f59e0b;
  --rtg-gold-light: #fef3c7;
  --rtg-gold-dark: #b45309;
  --rtg-silver: #94a3b8;
  --rtg-silver-light: #f1f5f9;
  --rtg-bronze: #ea580c;
  --rtg-bronze-light: #ffedd5;
  --rtg-green: #10b981;
  --rtg-green-light: #dcfce7;
  --rtg-red: #ef4444;
  --rtg-red-light: #fee2e2;

  /* Modern Glass Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.1), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-glow-blue: 0 10px 25px -4px rgba(37, 99, 235, 0.35);
  --shadow-glow-gold: 0 10px 25px -4px rgba(245, 158, 11, 0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
}

/* ── Global Layout & Resets ────────────────────────────────────────── */
.contest-body {
  background-color: #f8faff;
  color: var(--rtg-slate-900);
  font-family: 'Plus Jakarta Sans', var(--font-sans, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.contest-main {
  width: 100%;
  overflow-x: hidden;
  position: relative;
}

.contest-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Premium Buttons ───────────────────────────────────────────────── */
.btn-rtg-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff !important;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0.2px;
}
.btn-rtg-primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.42);
  color: #ffffff !important;
}
.btn-rtg-primary:active {
  transform: translateY(0);
}

.btn-rtg-outline {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  color: var(--rtg-slate-800) !important;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 22px;
  border: 1.5px solid #cbd5e1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
  transition: all 0.22s ease;
}
.btn-rtg-outline:hover {
  background: #ffffff;
  border-color: #94a3b8;
  color: var(--rtg-blue) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.btn-rtg-success {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff !important;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
  cursor: default;
}

.btn-rtg-disabled {
  background: #f1f5f9;
  color: #94a3b8 !important;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  border: 1.5px solid #e2e8f0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: not-allowed;
  opacity: 0.85;
}

.btn-block { width: 100%; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; border-radius: var(--radius-pill); }

.btn-pulse-glow {
  animation: buttonPulseGlow 2.5s infinite;
}
@keyframes buttonPulseGlow {
  0%, 100% { box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35); }
  50% { box-shadow: 0 6px 24px rgba(37, 99, 235, 0.6); }
}

/* ═══════════════════════════════════════════════════════════════════
   SCREEN 1: HERO SECTION
   ═══════════════════════════════════════════════════════════════════ */
.rtg-contest-hero {
  position: relative;
  background: radial-gradient(ellipse at 80% 20%, rgba(219, 234, 254, 0.6) 0%, rgba(238, 242, 255, 0.3) 45%, #ffffff 85%),
              linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  padding: 3.5rem 0 3rem;
  overflow: hidden;
}

/* Ambient Glow Orbs */
.hero-ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}
.glow-blue {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.22) 0%, rgba(37, 99, 235, 0) 70%);
  top: -100px;
  right: -50px;
}
.glow-indigo {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.16) 0%, rgba(99, 102, 241, 0) 70%);
  bottom: 0;
  left: -80px;
}

.hero-content-split {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.hero-left-text {
  position: relative;
}

.hero-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.08);
}

.pill-live-dot {
  width: 8px;
  height: 8px;
  background: #2563eb;
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px #2563eb;
  animation: pulseDot 1.8s infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.hero-main-heading {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.14;
  color: var(--rtg-slate-900);
  margin-bottom: 1.25rem;
  letter-spacing: -0.028em;
}

.hero-gradient-text {
  display: block;
  background: linear-gradient(135deg, #2563eb 0%, #4f46e5 50%, #06b6d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin-top: 6px;
}

.hero-description-text {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--rtg-slate-600);
  max-width: 580px;
  margin-bottom: 2.25rem;
}

.hero-cta-wrapper {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.15rem;
}

.cta-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}
.btn-hero-cta:hover .cta-arrow {
  transform: translateX(4px);
}

/* ── Hero 3D Stage Visual ─────────────────────────────────────────── */
.hero-right-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-3d-scene {
  position: relative;
  width: 100%;
  max-width: 440px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.scene-ambient-backdrop {
  position: absolute;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, rgba(219, 234, 254, 0.4) 40%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulseBackdrop 6s ease-in-out infinite;
}
@keyframes pulseBackdrop {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-3d-img-asset {
  width: 100%;
  max-width: 410px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 38px rgba(37, 99, 235, 0.24));
  animation: floatMainSlow 5s ease-in-out infinite;
  position: relative;
  z-index: 2;
}

@keyframes floatMainSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Floating Glass Badges */
.hero-badge-float {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(191, 219, 254, 0.8);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.12), 0 2px 6px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10;
  transition: transform 0.3s ease;
}

.badge-float-top {
  top: 8%;
  left: -20px;
  animation: floatTop 5.2s ease-in-out infinite;
}
@keyframes floatTop {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.badge-float-bottom {
  bottom: 8%;
  right: -15px;
  animation: floatBottom 4.8s ease-in-out infinite;
}
@keyframes floatBottom {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

.float-icon-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.bg-gold-glow {
  background: #fef3c7;
  color: #b45309;
}
.bg-blue-glow {
  background: #eff6ff;
  color: #2563eb;
}

.badge-text-line {
  display: flex;
  flex-direction: column;
}
.badge-mini-title {
  font-size: 0.72rem;
  color: var(--rtg-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-text-line strong {
  font-size: 0.84rem;
  color: var(--rtg-slate-900);
}

/* ── Feature Cards (Key Highlights) ─────────────────────────────── */
.hero-four-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}

.feature-card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
  transition: all 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: #93c5fd;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.1);
  background: #ffffff;
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.feature-card:hover .feature-icon-box {
  transform: scale(1.08);
}

.bg-blue-tint { background: #eff6ff; color: #2563eb; }
.bg-indigo-tint { background: #eef2ff; color: #4f46e5; }
.bg-emerald-tint { background: #ecfdf5; color: #059669; }
.bg-yellow-tint { background: #fef3c7; color: #d97706; }

.feature-text-block {
  display: flex;
  flex-direction: column;
}
.feat-primary {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  line-height: 1.2;
  margin-bottom: 2px;
}
.feat-secondary {
  font-size: 0.8rem;
  color: var(--rtg-muted);
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════════
   TABS SECTION (Segmented Pill Design)
   ═══════════════════════════════════════════════════════════════════ */
.rtg-tabs-section {
  padding: 3rem 0 5rem;
  background-color: #f8faff;
}

.contest-tabs-header-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.contest-nav-tabs-bar {
  display: inline-flex;
  align-items: center;
  background: #e2e8f0;
  padding: 5px;
  border-radius: var(--radius-pill);
  gap: 4px;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.04);
}

.tab-nav-btn {
  background: transparent;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--rtg-slate-600);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.22s ease;
  white-space: nowrap;
}
.tab-nav-btn:hover {
  color: var(--rtg-slate-900);
}
.tab-nav-btn.active {
  background: #ffffff;
  color: var(--rtg-blue);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.tab-counter-badge {
  background: #eff6ff;
  color: var(--rtg-blue);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  border: 1px solid #bfdbfe;
}

.tab-content-panel {
  display: none;
  animation: panelFadeIn 0.3s ease;
}
.tab-content-panel.active {
  display: block;
}
@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── 2-Column Layout for Upcoming Contest ──────────────────────────── */
.upcoming-two-col-layout {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 2.25rem;
  align-items: start;
}

/* Main Upcoming Contest Card */
.contest-card-main {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  transition: border-color 0.2s;
}
.contest-card-main:hover {
  border-color: #cbd5e1;
}

.card-header-status-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rtg-border-subtle);
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.card-icon-calendar {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  color: var(--rtg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.1);
}

.card-category-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rtg-blue);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  display: block;
  margin-bottom: 2px;
}

.card-contest-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  line-height: 1.25;
  margin: 0;
}

/* Status Badges */
.status-pill {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.pill-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.status-online-dot {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
}

.pill-danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.pill-info {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.pill-live-pulse {
  background: #fee2e2;
  color: #991b1b;
  border: 1.5px solid #f87171;
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.25);
}
.live-dot-animate {
  width: 8px;
  height: 8px;
  background: #ef4444;
  border-radius: 50%;
  animation: liveWave 1.2s infinite;
}
@keyframes liveWave {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

/* Metadata Grid inside Card */
.card-meta-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem 1.5rem;
  margin-bottom: 2rem;
}
.meta-row-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.meta-row-full {
  grid-column: 1 / -1;
}

.meta-icon-bubble {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--rtg-slate-700);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.meta-text-wrap {
  display: flex;
  flex-direction: column;
}
.meta-label {
  font-size: 0.72rem;
  color: var(--rtg-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.meta-value {
  font-size: 0.95rem;
  color: var(--rtg-slate-800);
  font-weight: 700;
}

/* Countdown Timer Box */
.countdown-wrapper {
  background: linear-gradient(135deg, #f8faff 0%, #edf4ff 100%);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.75rem;
  box-shadow: inset 0 1px 3px rgba(37, 99, 235, 0.04);
}

.countdown-header-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 1rem;
}
.cd-pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--rtg-blue);
  animation: pulseDot 1.5s infinite;
}
.countdown-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--rtg-slate-600);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.countdown-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.countdown-tile {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  min-width: 68px;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cd-num {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  display: block;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1;
  margin-bottom: 4px;
}
.cd-unit {
  font-size: 0.68rem;
  color: var(--rtg-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.cd-sep {
  font-size: 1.4rem;
  font-weight: 800;
  color: #94a3b8;
  font-family: 'JetBrains Mono', monospace;
  margin-top: -12px;
}

/* Live Timer Box on Live State */
.live-status-box {
  margin-bottom: 1.25rem;
}
.live-timer-banner {
  background: #fee2e2;
  border: 1.5px solid #f87171;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}
.live-banner-headline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 6px;
}
.live-pulse-badge {
  color: #991b1b;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.4px;
}
.live-clock-digits {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 800;
  color: #b91c1c;
}
.live-banner-sub {
  font-size: 0.88rem;
  color: #7f1d1d;
  margin: 0;
}

.alert-box-warning {
  background: #fffbeb;
  border: 1.5px solid #fef3c7;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: #92400e;
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}
.alert-icon-box {
  color: #d97706;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Right: Contest Rules Card */
.contest-rules-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-lg);
}

.rules-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rtg-border-subtle);
}

.rules-header-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #eff6ff;
  color: var(--rtg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rules-card-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 2px 0;
}
.rules-card-sub {
  font-size: 0.82rem;
  color: var(--rtg-muted);
}

.rules-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.rules-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--rtg-slate-700);
  line-height: 1.5;
}

.r-bullet {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.bullet-blue {
  background: #eff6ff;
  color: var(--rtg-blue);
}

/* High-Impact Highlights within Rules */
.rule-highlight-box {
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.highlight-reward {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}
.highlight-penalty {
  background: #fff1f2;
  border: 1px solid #fecdd3;
}

.r-bullet-pill {
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.badge-chip-green {
  background: #dcfce7;
  color: #15803d;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.badge-chip-red {
  background: #fee2e2;
  color: #b91c1c;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* ═══════════════════════════════════════════════════════════════════
   PAST & VIRTUAL CONTESTS
   ═══════════════════════════════════════════════════════════════════ */
.past-contests-container,
.virtual-contests-container {
  max-width: 1040px;
  margin: 0 auto;
}

.section-intro-bar,
.virtual-header-box {
  margin-bottom: 2rem;
}
.section-intro-title,
.virtual-title {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin-bottom: 4px;
}
.section-intro-sub,
.virtual-sub {
  font-size: 1rem;
  color: var(--rtg-muted);
}

.virtual-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--rtg-blue);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}

.past-contests-grid,
.virtual-cards-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.past-contest-item-card,
.virtual-contest-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
  transition: all 0.22s ease;
}
.past-contest-item-card:hover,
.virtual-contest-card:hover {
  border-color: #93c5fd;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
}

.pc-left,
.vc-info-side {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex: 1;
}

.pc-doc-icon,
.vc-icon {
  width: 48px;
  height: 48px;
  background: #eff6ff;
  color: var(--rtg-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pc-title,
.vc-name {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 6px 0;
}

.pc-meta-row,
.vc-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.meta-tag-chip {
  background: #f1f5f9;
  color: var(--rtg-slate-600);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.pc-actions,
.vc-action-side {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.badge-virtual-mode {
  background: #ecfdf5;
  color: #065f46;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid #a7f3d0;
}

.empty-contest-card {
  background: #ffffff;
  border: 1.5px dashed #cbd5e1;
  border-radius: var(--radius-xl);
  padding: 4rem 2rem;
  text-align: center;
  color: var(--rtg-muted);
}
.empty-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: #94a3b8;
}
.empty-contest-card h3 {
  font-size: 1.35rem;
  color: var(--rtg-slate-800);
  margin-bottom: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════════
   SCREEN 9: LEADERBOARD PAGE
   ═══════════════════════════════════════════════════════════════════ */
.rtg-leaderboard-section {
  padding: 3rem 0 5rem;
  position: relative;
}

.lb-ambient-glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 350px;
  background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.lb-header-block {
  margin-bottom: 3.5rem;
  position: relative;
  z-index: 1;
}

.lb-breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
}
.lb-back-link {
  color: var(--rtg-blue);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s;
}
.lb-back-link:hover {
  transform: translateX(-3px);
}
.sep-slash { color: #cbd5e1; }
.breadcrumb-current { color: var(--rtg-muted); font-weight: 600; }

.lb-title-wrap {
  margin-bottom: 1.5rem;
}
.lb-main-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 6px 0;
  letter-spacing: -0.02em;
}
.lb-sub-desc {
  font-size: 1.05rem;
  color: var(--rtg-slate-600);
  margin: 0;
}

.lb-meta-badges-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.lb-meta-pill {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rtg-slate-700);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}
.lb-meta-pill.pill-participants {
  background: #eff6ff;
  border-color: #bfdbfe;
  color: var(--rtg-blue);
  font-weight: 700;
}

/* ── Top 3 Performers (Podium Showcase) ────────────────────────────── */
.lb-podium-container {
  margin-bottom: 4rem;
  position: relative;
  z-index: 1;
}

.podium-header-bar {
  text-align: center;
  margin-bottom: 2.5rem;
}
.podium-badge-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #b45309;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}
.podium-section-heading {
  font-size: 2rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0;
}

.podium-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 2rem;
  align-items: end;
  max-width: 1060px;
  margin: 0 auto;
}

.podium-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.75rem;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.podium-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

/* 1st Place (Center Gold Elevated) */
.card-rank-1 {
  border-color: #fcd34d;
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
  box-shadow: 0 16px 36px rgba(245, 158, 11, 0.18), 0 4px 12px rgba(15, 23, 42, 0.05);
  padding: 3rem 1.75rem 2.5rem;
  margin-bottom: -15px;
  z-index: 2;
}
.card-rank-1:hover {
  border-color: #f59e0b;
}

.card-rank-2 {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-color: #cbd5e1;
}

.card-rank-3 {
  background: linear-gradient(180deg, #fff7ed 0%, #ffffff 100%);
  border-color: #fdba74;
}

.podium-crown-icon {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  filter: drop-shadow(0 4px 10px rgba(245, 158, 11, 0.4));
  animation: crownFloat 3.5s ease-in-out infinite;
}
@keyframes crownFloat {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-5px); }
}

.podium-rank-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}
.badge-gold { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.badge-silver { background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%); }
.badge-bronze { background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%); }

.podium-avatar-wrap {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  overflow: hidden;
  border: 3.5px solid #ffffff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.12);
  margin-bottom: 14px;
}
.avatar-gold-ring {
  width: 92px;
  height: 92px;
  border-color: #f59e0b;
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.25), 0 10px 25px rgba(245, 158, 11, 0.2);
}
.avatar-silver-ring {
  border-color: #94a3b8;
  box-shadow: 0 0 0 3px rgba(148, 163, 184, 0.25);
}
.avatar-bronze-ring {
  border-color: #ea580c;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.25);
}

.podium-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.podium-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 3px 0;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.podium-handle {
  font-size: 0.85rem;
  color: var(--rtg-muted);
  margin-bottom: 16px;
}

.podium-stats-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 8px 18px;
  margin-bottom: 16px;
}
.stats-gold-glow {
  background: #ffffff;
  border-color: #fde68a;
}
.p-stat {
  display: flex;
  flex-direction: column;
}
.p-stat-divider {
  width: 1px;
  height: 24px;
  background: #e2e8f0;
}
.p-lbl {
  font-size: 0.7rem;
  color: var(--rtg-muted);
  text-transform: uppercase;
  font-weight: 700;
}
.p-val {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
}
.val-gold {
  color: #b45309;
}

.podium-points-tag {
  font-size: 0.88rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tag-gold {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}
.tag-silver {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #e2e8f0;
}
.tag-bronze {
  background: #ffedd5;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

/* ── Full Standings Table (Rank 4+) ───────────────────────────────── */
.lb-table-container {
  max-width: 1060px;
  margin: 0 auto;
}

.lb-table-header-wrap {
  margin-bottom: 1.5rem;
}
.lb-table-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 4px 0;
}
.lb-table-sub {
  font-size: 0.92rem;
  color: var(--rtg-muted);
  margin: 0;
}

.lb-table-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.lb-desktop-table-wrap {
  display: block;
}

.lb-mobile-cards-wrap {
  display: none;
}

.lb-table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.leaderboard-table th {
  background: #f8fafc;
  padding: 16px 22px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rtg-slate-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1.5px solid #e2e8f0;
  text-align: left;
}
.th-rank { width: 10%; }
.th-user { width: 44%; }
.th-score { width: 16%; }
.th-time { width: 15%; }
.th-points { width: 15%; }

.leaderboard-table td {
  padding: 16px 22px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
  color: var(--rtg-slate-800);
  vertical-align: middle;
}
.leaderboard-table tbody tr:hover {
  background: #f8faff;
}

.row-is-you {
  background: #eff6ff !important;
  border-left: 4px solid var(--rtg-blue);
}

.rank-badge-tile {
  font-weight: 800;
  color: var(--rtg-slate-700);
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-family: 'JetBrains Mono', monospace;
}

.lb-user-info {
  display: flex;
  align-items: center;
  gap: 14px;
}
.lb-user-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid #cbd5e1;
}
.lb-user-text {
  display: flex;
  flex-direction: column;
}
.lb-name-line {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lb-user-name {
  font-weight: 700;
  color: var(--rtg-slate-900);
  font-size: 0.98rem;
}
.badge-you-pill {
  background: var(--rtg-blue);
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}
.lb-user-handle {
  font-size: 0.8rem;
  color: var(--rtg-muted);
}
.lb-sub-meta-line {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lb-mob-time-chip {
  display: none;
}

.score-chip {
  font-weight: 800;
  color: var(--rtg-slate-900);
  font-size: 1rem;
}
.time-text {
  color: var(--rtg-slate-600);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}
.points-pill-gold {
  background: #fef3c7;
  color: #b45309;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.empty-lb-state {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--rtg-muted);
}
.empty-trophy-orb {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #fef3c7;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.empty-lb-state h4 {
  font-size: 1.25rem;
  color: var(--rtg-slate-800);
  margin-bottom: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════════════
   SCREEN 10: USER CONTEST PROFILE & STATS DASHBOARD
   ═══════════════════════════════════════════════════════════════════ */
.rtg-contest-profile-section {
  padding: 3rem 0 5rem;
  position: relative;
}

.profile-ambient-glow {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 720px;
  height: 320px;
  background: radial-gradient(ellipse at center, rgba(37, 99, 235, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.profile-breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}
.profile-back-link {
  color: var(--rtg-blue);
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s;
}
.profile-back-link:hover {
  transform: translateX(-3px);
}

/* User Header Banner Card */
.profile-header-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

.profile-info-left {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.profile-avatar-circle {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  position: relative;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.25);
  border: 3.5px solid #ffffff;
  flex-shrink: 0;
}
.p-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.p-status-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: #10b981;
  border: 2.5px solid #ffffff;
  border-radius: 50%;
}

.profile-identity {
  display: flex;
  flex-direction: column;
}

.profile-name-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 4px;
}

.profile-name {
  font-size: clamp(1.6rem, 2.8vw, 2.1rem);
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0;
  letter-spacing: -0.02em;
}

/* Tier Badges */
.profile-tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.4px;
  text-transform: uppercase;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.tier-novice {
  background: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.tier-challenger {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.tier-master {
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}
.tier-grandmaster {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.25);
}

.profile-handle {
  font-size: 0.95rem;
  color: var(--rtg-muted);
  font-weight: 600;
}

.profile-actions-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* ── Gamified Tier Progress Card ───────────────────────────────────── */
.profile-tier-progress-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 1.75rem 2.25rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 1;
}

.tier-progress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.tier-level-info {
  display: flex;
  flex-direction: column;
}
.tier-title-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rtg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tier-title-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
}

.tier-pts-chip {
  background: #f1f5f9;
  color: var(--rtg-slate-700);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid #e2e8f0;
}

.tier-progress-track {
  width: 100%;
  height: 12px;
  background: #f1f5f9;
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 0.85rem;
  border: 1px solid #e2e8f0;
}
.tier-progress-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.tier-progress-fill.tier-novice {
  background: linear-gradient(90deg, #3b82f6 0%, #2563eb 100%);
}
.tier-progress-fill.tier-challenger {
  background: linear-gradient(90deg, #10b981 0%, #059669 100%);
}
.tier-progress-fill.tier-master {
  background: linear-gradient(90deg, #8b5cf6 0%, #6d28d9 100%);
}
.tier-progress-fill.tier-grandmaster {
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
}

.tier-milestones-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  font-weight: 700;
  color: #94a3b8;
  gap: 8px;
}
.milestone-step.reached {
  color: var(--rtg-blue);
  font-weight: 800;
}

/* ── 4 Big KPI Stats Cards ────────────────────────────────────────── */
.profile-four-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.75rem;
  position: relative;
  z-index: 1;
}

.p-stat-box {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 1.65rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}
.p-stat-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

/* Subtle Colored Accent Lines on Top */
.stat-card-points::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2563eb 0%, #3b82f6 100%);
}
.stat-card-participated::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #4f46e5 0%, #6366f1 100%);
}
.stat-card-rank::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #f59e0b 0%, #fbbf24 100%);
}
.stat-card-streak::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
}

.p-stat-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.p-stat-title {
  font-size: 0.85rem;
  color: var(--rtg-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.p-stat-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.p-stat-number {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.p-stat-number.stat-blue { color: #2563eb; }
.p-stat-number.stat-gold { color: #d97706; }
.p-stat-number.stat-green { color: #10b981; }

.p-stat-sub {
  font-size: 0.78rem;
  color: var(--rtg-muted);
  font-weight: 500;
}

/* ── History & Rewards Stack ───────────────────────────────────────── */
.profile-sections-stack {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
  z-index: 1;
}

.p-history-card, .p-rewards-rules-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}

.p-card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rtg-border-subtle);
}
.p-card-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 3px 0;
}
.p-card-sub {
  font-size: 0.88rem;
  color: var(--rtg-muted);
  margin: 0;
}

.p-view-all-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--rtg-blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.p-view-all-link:hover { text-decoration: underline; }

/* History Table */
.p-table-responsive-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}
.history-table th {
  background: #f8fafc;
  padding: 14px 20px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rtg-slate-600);
  text-align: left;
  border-bottom: 1.5px solid #e2e8f0;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.th-contest { width: 34%; }
.th-date { width: 18%; }
.th-rank { width: 14%; }
.th-score { width: 12%; }
.th-points { width: 12%; }
.th-action { width: 10%; }

.history-table td {
  padding: 16px 20px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
  vertical-align: middle;
}
.history-table tbody tr:hover {
  background: #f8faff;
}

.c-history-item-inline {
  display: flex;
  align-items: center;
  gap: 12px;
}
.c-history-icon-bubble {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: #eff6ff;
  color: var(--rtg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.c-history-text-col {
  display: flex;
  flex-direction: column;
}
.c-history-title-link {
  color: var(--rtg-slate-900);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.98rem;
}
.c-history-title-link:hover { color: var(--rtg-blue); }
.c-history-sub-tag {
  font-size: 0.75rem;
  color: var(--rtg-muted);
}

.date-chip {
  background: #f1f5f9;
  color: var(--rtg-slate-600);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.rank-badge-pill {
  font-weight: 800;
  color: var(--rtg-slate-700);
  background: #f1f5f9;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-family: 'JetBrains Mono', monospace;
  display: inline-block;
}
.rank-badge-pill.rank-placed {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.score-num {
  font-weight: 800;
  color: var(--rtg-slate-900);
  font-size: 1rem;
}

.btn-xs {
  font-size: 0.78rem;
  padding: 6px 12px;
  font-weight: 700;
  white-space: nowrap;
}

/* Empty History State */
.empty-history-state {
  padding: 4rem 2rem;
  text-align: center;
  color: var(--rtg-muted);
}
.empty-history-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: #eff6ff;
  color: var(--rtg-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}
.empty-history-state h3 {
  font-size: 1.35rem;
  color: var(--rtg-slate-800);
  margin-bottom: 0.5rem;
}
.empty-history-state p {
  max-width: 480px;
  margin: 0 auto;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Rewards & Rules Two-Column */
.rewards-rules-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

.rules-card-inner {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.75rem;
}

.rules-inner-heading {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0 0 1.25rem 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.rule-row-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #e2e8f0;
}
.rule-row-item:last-child { border-bottom: none; }

.rule-icon-box {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-gift { background: #dcfce7; color: #15803d; }
.icon-penalty { background: #fee2e2; color: #b91c1c; }

.rule-content {
  display: flex;
  flex-direction: column;
}
.rule-heading {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
}
.rule-points {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 2px 0 4px 0;
}
.val-green { color: #15803d; }
.val-red { color: #b91c1c; }
.rule-description {
  font-size: 0.85rem;
  color: var(--rtg-slate-600);
  line-height: 1.5;
}

/* Podium Prize List */
.top5-ranks-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.top5-rank-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  transition: transform 0.2s, border-color 0.2s;
}
.top5-rank-row:hover {
  transform: translateX(4px);
  border-color: #cbd5e1;
}

.rank-pill-1 {
  border-color: #fde68a;
  background: linear-gradient(90deg, #fffbeb 0%, #ffffff 100%);
}
.rank-pill-2 {
  border-color: #e2e8f0;
}
.rank-pill-3 {
  border-color: #fed7aa;
  background: linear-gradient(90deg, #fff7ed 0%, #ffffff 100%);
}

.rank-name-side {
  display: flex;
  align-items: center;
  gap: 10px;
}
.r-badge-icon { font-size: 1.25rem; }
.r-name { font-weight: 800; color: var(--rtg-slate-800); }
.r-pts-val {
  color: var(--rtg-blue);
  font-size: 1rem;
  font-weight: 800;
}
.rank-pill-1 .r-pts-val { color: #b45309; }
.rank-pill-3 .r-pts-val { color: #c2410c; }

/* ═══════════════════════════════════════════════════════════════════
   SCREEN 5: PLAY INTERFACE & TEST TAKING (ANTI-CHEAT / ANTI-GOOGLE-LENS PROTECTED)
   ═══════════════════════════════════════════════════════════════════ */
.contest-play-body {
  background: #f8fafc;
  color: var(--rtg-slate-900);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-touch-callout: none !important;
  -webkit-user-select: none !important;
  -khtml-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
}

/* Comprehensive anti-Google-Lens & selection blocks across contest interface */
.contest-play-body * {
  -webkit-touch-callout: none !important;
  -webkit-user-select: none !important;
  -khtml-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
  -webkit-user-drag: none !important;
}

/* Make sure buttons, links, option cards, and interactive controls remain clickable */
.contest-play-body button,
.contest-play-body a,
.contest-play-body input,
.contest-play-body label,
.contest-play-body .option-card,
.contest-play-body .q-nav-btn {
  pointer-events: auto !important;
  cursor: pointer !important;
}

/* Disable pointer interaction on images, svgs, and figures so mobile Chrome cannot attach Google Lens context menu */
.contest-play-body img,
.contest-play-body picture,
.contest-play-body figure,
.contest-play-body svg:not(.timer-clock-icon):not(.opt-check-icon):not(.bookmark-icon):not(.toast-icon) {
  pointer-events: none !important;
  -webkit-touch-callout: none !important;
  -webkit-user-drag: none !important;
  user-select: none !important;
}

.play-navbar {
  background: #ffffff;
  border-bottom: 1.5px solid #e2e8f0;
  padding: 12px 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.play-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.play-logo-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.play-logo-brand .brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}
.play-logo-brand .brand-logo-img {
  width: 30px;
  height: 30px;
  object-fit: contain;
  display: block;
}
.play-logo-brand .brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}
.play-logo-brand .brand-to {
  color: #2563eb;
}
.play-nav-divider { color: #cbd5e1; }
.play-contest-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
}

.badge-virtual-mode-pill {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #2563eb;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}

.play-nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.play-timer-capsule {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-pill);
  padding: 7px 16px;
  color: #1e293b;
  font-size: 0.9rem;
}
.timer-urgent {
  background: #fee2e2;
  border-color: #ef4444;
  color: #b91c1c;
  animation: pulseUrgent 1s infinite;
}
@keyframes pulseUrgent {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.timer-digits-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.15rem;
  font-weight: 800;
}

.play-main-container {
  max-width: 1280px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  width: 100%;
  flex: 1;
}

.play-split-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.navigator-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}
.nav-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 1.25rem;
}

.q-grid-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 1.5rem;
}

.q-nav-tile {
  aspect-ratio: 1;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 800;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s, box-shadow 0.15s;
}
.q-nav-tile:hover {
  transform: scale(1.05);
}

.state-current {
  background: #2563eb !important;
  color: #ffffff !important;
  box-shadow: 0 3px 8px rgba(37, 99, 235, 0.35);
}
.state-answered {
  background: #10b981 !important;
  color: #ffffff !important;
}
.state-unanswered {
  background: #ffffff !important;
  border: 1.5px solid #cbd5e1 !important;
  color: #475569 !important;
}
.state-review {
  background: #f59e0b !important;
  color: #ffffff !important;
}

.nav-legend-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
  margin-bottom: 1.25rem;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: #475569;
  font-weight: 600;
}
.legend-sq {
  width: 14px;
  height: 14px;
  border-radius: 4px;
}
.sq-current { background: #2563eb; }
.sq-answered { background: #10b981; }
.sq-unanswered { background: #ffffff; border: 1.5px solid #cbd5e1; }
.sq-review { background: #f59e0b; }

.btn-toggle-review {
  width: 100%;
  background: #fffbeb;
  border: 1.5px solid #fde68a;
  color: #b45309;
  font-weight: 700;
  padding: 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.btn-toggle-review:hover, .btn-toggle-review.active {
  background: #fef3c7;
  border-color: #f59e0b;
}

.question-active-card {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.q-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #f1f5f9;
}
.q-number-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.q-bookmark-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s, transform 0.2s;
}
.q-bookmark-btn:hover { color: #f59e0b; transform: scale(1.1); }
.q-bookmark-btn.bookmarked {
  color: #f59e0b;
}
.q-bookmark-btn.bookmarked svg {
  fill: #f59e0b;
}

.q-body-area { flex: 1; }
.q-text {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.45;
  color: #0f172a;
  margin-bottom: 1.5rem;
}

.q-code-container {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  overflow-x: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}

.q-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 2rem;
}

.q-option-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 14px 18px;
  cursor: pointer;
  transition: all 0.2s;
}
.q-option-card:hover {
  border-color: #93c5fd;
  background: #f8faff;
}
.q-option-card.selected {
  border-color: #2563eb;
  background: #eff6ff;
}

.q-option-card input[type="radio"] { display: none; }

.custom-radio-circle {
  width: 20px;
  height: 20px;
  border: 2px solid #cbd5e1;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
}
.q-option-card.selected .custom-radio-circle {
  border-color: #2563eb;
}
.q-option-card.selected .custom-radio-circle::after {
  content: '';
  width: 10px;
  height: 10px;
  background: #2563eb;
  border-radius: 50%;
}

.opt-key-prefix {
  font-weight: 800;
  font-size: 1rem;
  color: #0f172a;
}
.opt-text-val {
  font-size: 1rem;
  color: #334155;
  font-weight: 500;
}

.q-footer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid #f1f5f9;
}
.footer-right-buttons {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Modal */
.modal-backdrop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1.5rem;
}

.modal-dialog-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  max-width: 520px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
  animation: modalScaleIn 0.25s ease-out;
}
@keyframes modalScaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close-x {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: #94a3b8;
  cursor: pointer;
}
.modal-close-x:hover { color: #0f172a; }

.modal-green-circ {
  width: 68px;
  height: 68px;
  background: #10b981;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.modal-heading {
  font-size: 1.6rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 0.5rem;
}
.modal-subtext {
  font-size: 0.95rem;
  line-height: 1.5;
  color: #64748b;
  margin-bottom: 1.75rem;
}

.modal-stats-summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 2rem;
}
.m-stat-pill {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 10px 4px;
}
.m-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  display: block;
}
.m-lbl {
  font-size: 0.72rem;
  font-weight: 600;
  color: #64748b;
}
.pill-answered .m-val { color: #10b981; }
.pill-review .m-val { color: #f59e0b; }
.pill-unanswered .m-val { color: #ef4444; }

.modal-buttons-row {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 12px;
}

.tab-switch-warning-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #fef2f2;
  border: 1.5px solid #f87171;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #991b1b;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(239, 68, 68, 0.15);
  z-index: 90;
}

/* ═══════════════════════════════════════════════════════════════════
   SCREENS 7 & 8: RESULT & DETAILED ANALYSIS
   ═══════════════════════════════════════════════════════════════════ */
.rtg-result-section {
  padding: 3rem 0 5rem;
}

.result-center-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  max-width: 840px;
  margin: 0 auto;
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.result-celebration-graphic {
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.result-doc-orb {
  width: 88px;
  height: 88px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.18);
}

.doc-badge-check {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 30px;
  height: 30px;
  background: #10b981;
  color: #ffffff;
  border: 2.5px solid #ffffff;
  border-radius: 50%;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.celebration-particles span {
  position: absolute;
  font-size: 1.35rem;
}
.dot-1 { top: -10px; left: -20px; }
.dot-2 { top: 0; right: -25px; color: #2563eb; }
.dot-3 { bottom: 0; left: -30px; color: #10b981; }
.dot-4 { bottom: -10px; right: -20px; color: #f59e0b; }

.result-success-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin-bottom: 0.5rem;
}
.result-success-sub {
  font-size: 1.05rem;
  color: var(--rtg-slate-600);
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.result-four-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.metric-card-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.metric-card-box:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.metric-icon-circ {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.bg-green-circ { background: #dcfce7; color: #15803d; }
.bg-yellow-circ { background: #fef3c7; color: #d97706; }
.bg-blue-circ { background: #eff6ff; color: #2563eb; }
.bg-orange-circ { background: #ffedd5; color: #ea580c; }

.metric-value-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
}
.metric-label-txt {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rtg-muted);
}

.result-action-buttons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.result-pending-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #eff6ff;
  border: 1.5px solid #bfdbfe;
  border-radius: 12px;
  padding: 14px 20px;
  margin: -1.5rem auto 2.5rem;
  max-width: 650px;
  text-align: left;
}
.result-pending-banner .pending-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.result-pending-banner strong {
  display: block;
  font-size: 0.95rem;
  color: #1e3a8a;
  margin-bottom: 2px;
}
.result-pending-banner p {
  margin: 0;
  font-size: 0.85rem;
  color: #2563eb;
  line-height: 1.4;
}

/* Detailed Result Screen */
.detailed-result-section {
  padding: 3rem 0 5rem;
}
.detailed-header-bar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.btn-back-link {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--rtg-blue);
  text-decoration: none;
}
.detailed-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--rtg-slate-900);
  margin: 0;
}

.result-summary-bar {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-bottom: 2.25rem;
  box-shadow: var(--shadow-sm);
}
.summary-bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.summary-bar-divider {
  width: 1px;
  height: 38px;
  background: #e2e8f0;
}
.s-label { font-size: 0.8rem; font-weight: 700; color: var(--rtg-muted); text-transform: uppercase; }
.s-value { font-size: 1.45rem; font-weight: 800; color: var(--rtg-slate-900); }

.detailed-tabs-row {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 2rem;
}
.d-tab-btn {
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 700;
  color: var(--rtg-muted);
  padding: 12px 22px;
  cursor: pointer;
  position: relative;
}
.d-tab-btn.active { color: var(--rtg-blue); }
.d-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%; height: 3px;
  background: var(--rtg-blue);
  border-radius: 3px 3px 0 0;
}
.detailed-tab-panel { display: none; }
.detailed-tab-panel.active { display: block; }

.analysis-table-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.analysis-table {
  width: 100%;
  border-collapse: collapse;
}
.analysis-table th {
  background: #f8fafc;
  padding: 14px 22px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rtg-slate-600);
  text-align: left;
  border-bottom: 1.5px solid #e2e8f0;
}
.analysis-table td {
  padding: 16px 22px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.95rem;
}

.solutions-list-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.solution-item-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}
.sol-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.sol-qnum { font-size: 0.85rem; font-weight: 700; color: var(--rtg-muted); text-transform: uppercase; }
.sol-status-pill {
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.pill-correct { background: #dcfce7; color: #15803d; }
.pill-wrong { background: #fee2e2; color: #b91c1c; }
.pill-skipped { background: #f1f5f9; color: #64748b; }

.sol-qtext {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--rtg-slate-900);
  margin-bottom: 1.25rem;
}
.sol-options-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sol-opt-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 0.95rem;
}
.sol-opt-row.opt-is-correct {
  background: #f0fdf4;
  border-color: #86efac;
}
.sol-opt-row.opt-is-wrong {
  background: #fef2f2;
  border-color: #fca5a5;
}
.sol-opt-letter { font-weight: 800; color: var(--rtg-slate-900); }
.sol-opt-text { flex: 1; color: var(--rtg-slate-700); }
.sol-badge-tag {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
}
.tag-correct { background: #10b981; color: #ffffff; }
.tag-your-pick { background: #ef4444; color: #ffffff; }

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE DESIGN SYSTEM (ALL SCREEN SIZES)
   ═══════════════════════════════════════════════════════════════════ */

/* Laptops & Standard Desktops (993px - 1199px) */
@media (max-width: 1199px) {
  .hero-content-split {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2.5rem;
  }
  .hero-four-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .upcoming-two-col-layout {
    grid-template-columns: 1.25fr 1fr;
    gap: 1.75rem;
  }
  .podium-cards-grid {
    gap: 1.25rem;
  }
}

/* Tablets (768px - 992px) */
@media (max-width: 992px) {
  .rtg-contest-hero {
    padding: 2.75rem 0 2.5rem;
  }
  .hero-content-split {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2.5rem;
  }
  .hero-left-text {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-description-text {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-wrapper {
    justify-content: center;
  }
  .hero-right-visual {
    margin-top: 0.5rem;
  }
  .hero-3d-scene {
    max-width: 360px;
  }
  .hero-badge-float {
    padding: 8px 12px;
  }
  .badge-float-top {
    left: -10px;
  }
  .badge-float-bottom {
    right: -10px;
  }

}

/* Mobile Phones (<= 640px) */
@media (max-width: 640px) {
  .contest-main {
    padding-bottom: 80px;
  }
  .contest-container {
    padding: 0 1rem;
  }
  .hero-main-heading {
    font-size: clamp(1.6rem, 5.5vw, 2.25rem);
    line-height: 1.25;
  }
  .hero-gradient-text {
    font-size: clamp(1.3rem, 4.5vw, 1.75rem);
  }
  .hero-description-text {
    font-size: 0.92rem;
    line-height: 1.5;
  }
  .hero-cta-wrapper {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .hero-cta-wrapper .btn-hero-cta {
    width: 100%;
    min-height: 44px;
    box-sizing: border-box;
    justify-content: center;
  }

  .hero-four-features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 1.5rem;
  }
  .feature-card {
    padding: 0.85rem 0.75rem;
    gap: 0.75rem;
    border-radius: var(--radius-md);
  }
  .feature-icon-box {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
  }
  .feat-primary {
    font-size: 0.92rem;
    font-weight: 800;
  }
  .feat-secondary {
    font-size: 0.72rem;
    line-height: 1.2;
  }

  .contest-nav-tabs-bar {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
    border-radius: var(--radius-md);
    padding: 4px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .contest-nav-tabs-bar::-webkit-scrollbar {
    display: none;
  }
  .tab-nav-btn {
    padding: 8px 16px;
    font-size: 0.88rem;
    white-space: nowrap;
    flex-shrink: 0;
  }

  .card-header-status-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  .card-meta-list {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .countdown-tile {
    min-width: 52px;
    padding: 8px 8px;
  }
  .cd-num {
    font-size: 1.3rem;
  }
  .cd-sep {
    font-size: 1rem;
  }

  .past-contest-item-card,
  .virtual-contest-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1rem;
    gap: 12px;
  }
  .pc-title,
  .vc-title {
    font-size: 1.05rem;
    line-height: 1.35;
    word-break: break-word;
  }
  .pc-actions,
  .vc-action-side {
    width: 100%;
    display: flex;
    gap: 8px;
    margin-top: 0.25rem;
  }
  .pc-actions .btn-sm,
  .vc-action-side .btn-practice {
    flex: 1;
    text-align: center;
    padding: 9px 12px;
    min-height: 40px;
    box-sizing: border-box;
    justify-content: center;
    font-size: 0.84rem;
  }

  .profile-header-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.25rem;
    gap: 1.25rem;
  }
  .profile-info-left {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }
  .profile-actions-right {
    width: 100%;
    display: flex;
    gap: 8px;
  }
  .profile-actions-right .btn-sm {
    flex: 1;
    min-height: 40px;
    text-align: center;
    justify-content: center;
  }

  .profile-tier-progress-card {
    padding: 1.25rem 1rem;
  }
  .tier-progress-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .tier-milestones-row {
    flex-wrap: wrap;
    gap: 4px 10px;
  }

  .profile-four-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  .p-stat-box {
    padding: 1.15rem 0.85rem;
  }
  .p-stat-number {
    font-size: 1.65rem;
  }

  .p-card-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .rewards-rules-two-col {
    grid-template-columns: 1fr;
  }

  .result-center-card {
    padding: 2rem 1.15rem;
  }
  .result-summary-bar {
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.25rem;
  }
  .summary-bar-divider {
    display: none;
  }

  /* Play Screen Mobile Layout */
  .play-split-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  .play-question-col {
    order: 1;
    width: 100%;
  }
  .play-navigator-col {
    order: 2;
    width: 100%;
  }
  .play-main-container {
    margin: 0.75rem auto;
    padding: 0 0.85rem;
  }
  .question-active-card {
    padding: 1.25rem 1rem;
    min-height: auto;
    border-radius: var(--radius-md);
  }
  .q-header-row {
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
  }
  .q-number-label {
    font-size: 0.84rem;
  }
  .q-text {
    font-size: 1.12rem;
    line-height: 1.42;
    margin-bottom: 1rem;
  }
  .q-code-container {
    padding: 0.75rem 0.85rem;
    font-size: 0.82rem;
    margin-bottom: 1rem;
  }
  .q-options-list {
    gap: 9px;
    margin-bottom: 1.25rem;
  }
  .q-option-card {
    padding: 11px 12px;
    gap: 10px;
    border-radius: 10px;
    min-height: 44px;
    box-sizing: border-box;
  }
  .opt-key-prefix {
    font-size: 0.92rem;
  }
  .opt-text-val {
    font-size: 0.92rem;
    line-height: 1.35;
  }
  .q-footer-actions {
    padding-top: 1rem;
    gap: 8px;
    flex-wrap: wrap;
  }
  .footer-right-buttons {
    display: flex;
    gap: 8px;
  }
  .btn-step,
  .btn-rtg-text {
    padding: 8px 14px;
    font-size: 0.85rem;
    min-height: 40px;
    box-sizing: border-box;
  }
  .navigator-card {
    padding: 1.15rem 1rem;
    border-radius: var(--radius-md);
  }
  .nav-card-title {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  .q-grid-buttons {
    gap: 8px;
    margin-bottom: 1rem;
  }
  .q-nav-tile {
    font-size: 0.92rem;
    border-radius: 8px;
    min-height: 38px;
  }
  .nav-legend-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding-top: 0.75rem;
    margin-bottom: 1rem;
  }
  .legend-row {
    font-size: 0.78rem;
    gap: 6px;
  }
  .btn-toggle-review {
    min-height: 40px;
    font-size: 0.84rem;
    justify-content: center;
  }
  .play-timer-capsule {
    padding: 6px 10px;
    gap: 6px;
  }
  .play-timer-capsule .timer-text-label {
    display: none;
  }
  .timer-digits-val {
    font-size: 1.05rem;
  }
  .btn-nav-submit {
    padding: 8px 16px;
    font-size: 0.84rem;
    min-height: 38px;
  }
  .modal-dialog-card {
    padding: 1.75rem 1.25rem;
    max-width: 92%;
    border-radius: var(--radius-lg);
  }
  .modal-heading {
    font-size: 1.15rem;
    margin-bottom: 8px;
  }
  .modal-subtext {
    font-size: 0.84rem;
    margin-bottom: 1.25rem;
  }
  .modal-green-circ {
    width: 52px;
    height: 52px;
    margin-bottom: 1rem;
  }
  .modal-green-circ svg {
    width: 26px;
    height: 26px;
  }
  .modal-stats-summary {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 1.25rem;
  }
  .m-stat-box {
    padding: 10px 8px;
    border-radius: 10px;
  }
  .m-stat-num {
    font-size: 1.25rem;
  }
  .m-stat-lbl {
    font-size: 0.74rem;
  }
  .modal-buttons-row {
    display: flex;
    flex-direction: column-reverse;
    gap: 8px;
    width: 100%;
  }
  .modal-buttons-row button {
    width: 100%;
    min-height: 42px;
    justify-content: center;
    box-sizing: border-box;
  }

  /* Result Screen Mobile */
  .rtg-result-section {
    padding: 1rem 0 2.5rem;
  }
  .result-center-card {
    padding: 1.75rem 1rem;
    border-radius: var(--radius-lg);
  }
  .result-doc-orb {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
  }
  .result-doc-orb svg {
    width: 30px;
    height: 30px;
  }
  .result-success-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    margin-bottom: 6px;
  }
  .result-success-sub {
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
    line-height: 1.45;
  }
  .result-four-metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 1.5rem;
  }
  .metric-card-box {
    padding: 1rem 0.75rem;
    border-radius: var(--radius-md);
  }
  .metric-icon-circ {
    width: 36px;
    height: 36px;
    margin-bottom: 8px;
  }
  .metric-icon-circ svg {
    width: 18px;
    height: 18px;
  }
  .metric-value-num {
    font-size: 1.2rem;
  }
  .metric-label-txt {
    font-size: 0.74rem;
  }
  .result-action-buttons-row {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .btn-result-action {
    width: 100%;
    min-height: 44px;
    justify-content: center;
    text-align: center;
    box-sizing: border-box;
    font-size: 0.88rem;
  }

  /* Detailed Result Mobile */
  .detailed-result-section {
    padding: 1rem 0 2.5rem;
  }
  .detailed-header-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 1rem;
  }
  .btn-back-link {
    font-size: 0.82rem;
  }
  .detailed-title {
    font-size: clamp(1.25rem, 5vw, 1.65rem);
    line-height: 1.25;
  }
  .result-summary-bar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
  }
  .summary-bar-divider {
    display: none;
  }
  .summary-bar-item .s-label {
    font-size: 0.72rem;
    margin-bottom: 2px;
  }
  .summary-bar-item .s-value {
    font-size: 0.95rem;
  }
  .detailed-tabs-row {
    display: flex;
    gap: 8px;
    width: 100%;
    margin-bottom: 1.25rem;
  }
  .d-tab-btn {
    flex: 1;
    text-align: center;
    padding: 9px 12px;
    font-size: 0.84rem;
    justify-content: center;
    border-radius: var(--radius-md);
  }
  .analysis-table-card {
    border-radius: var(--radius-md);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .analysis-table {
    min-width: 460px;
  }
  .analysis-table th,
  .analysis-table td {
    padding: 10px 12px;
    font-size: 0.82rem;
  }
  .solution-item-card {
    padding: 1.25rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
  }
  .sol-header {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
  }
  .sol-qnum {
    font-size: 0.84rem;
  }
  .sol-status-pill {
    font-size: 0.74rem;
    padding: 3px 8px;
  }
  .sol-qtext {
    font-size: 1rem;
    line-height: 1.45;
    margin-bottom: 10px;
  }
  .sol-code-box {
    font-size: 0.82rem;
    padding: 0.75rem;
    margin-bottom: 10px;
  }
  .sol-options-grid {
    gap: 8px;
  }
  .sol-opt-row {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.88rem;
    flex-wrap: wrap;
    gap: 6px;
  }
  .sol-opt-letter {
    font-size: 0.88rem;
  }
  .sol-opt-text {
    font-size: 0.88rem;
  }
  .sol-badge-tag {
    font-size: 0.68rem;
    padding: 2px 7px;
    margin-left: auto;
  }

  /* Leaderboard Podium & Standings Table Mobile */
  .rtg-leaderboard-section {
    padding: 1.25rem 0 3rem;
  }
  .lb-header-block {
    margin-bottom: 1.5rem;
  }
  .lb-main-title {
    font-size: clamp(1.35rem, 5.5vw, 2rem);
  }
  .lb-sub-desc {
    font-size: 0.85rem;
  }
  .lb-meta-badges-row {
    flex-wrap: wrap;
    gap: 8px;
  }
  .lb-meta-pill {
    padding: 5px 10px;
    font-size: 0.76rem;
    border-radius: 99px;
  }
  .podium-header-bar {
    margin-bottom: 14px;
  }
  .podium-section-heading {
    font-size: 1.25rem;
  }
  .podium-cards-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto 2rem;
    gap: 14px;
  }
  .podium-card {
    padding: 1.25rem 1rem !important;
    border-radius: var(--radius-lg);
  }
  .card-rank-1 {
    order: -1;
    padding: 1.5rem 1.15rem !important;
  }
  .podium-avatar-wrap {
    width: 60px !important;
    height: 60px !important;
  }
  .podium-crown-icon {
    top: -16px !important;
  }
  .podium-crown-icon svg {
    width: 28px !important;
    height: 28px !important;
  }
  .podium-name {
    font-size: 1rem !important;
  }
  .podium-handle {
    font-size: 0.78rem !important;
  }
  .podium-stats-row {
    gap: 12px;
    padding: 8px 12px;
  }
  .p-stat .p-lbl {
    font-size: 0.7rem;
  }
  .p-stat .p-val {
    font-size: 0.95rem;
  }

  /* Leaderboard Standings Mobile (< 769px): Clean Card List (Zero Horizontal Scroll, Zero Overlap) */
  .lb-desktop-table-wrap {
    display: none !important;
  }
  .lb-table-card {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    overflow: visible !important;
  }
  .lb-mobile-cards-wrap {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    width: 100% !important;
  }
  .lb-mobile-card {
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 16px;
    padding: 14px 16px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.05);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }
  .lb-mobile-card.is-current-user {
    background: #eff6ff;
    border: 2px solid #3b82f6;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.12);
  }
  .lb-mc-top-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-width: 0;
  }
  .lb-mc-user-group {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
  }
  .lb-mc-rank {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    font-weight: 800;
    background: #f1f5f9;
    color: #475569;
    padding: 4px 8px;
    border-radius: 8px;
    flex-shrink: 0;
    min-width: 30px;
    text-align: center;
  }
  .lb-mobile-card.is-current-user .lb-mc-rank {
    background: #dbeafe;
    color: #1d4ed8;
  }
  .lb-mc-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 1.5px solid #cbd5e1;
    flex-shrink: 0;
  }
  .lb-mc-identity {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
  }
  .lb-mc-name-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
  }
  .lb-mc-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: #0f172a;
    word-break: break-word;
    line-height: 1.3;
  }
  .lb-mc-handle {
    font-size: 0.76rem;
    color: #64748b;
    line-height: 1.2;
    margin-top: 1px;
    word-break: break-all;
  }
  .lb-mc-score-wrap {
    flex-shrink: 0;
    text-align: right;
  }
  .lb-mc-score-chip {
    display: inline-block;
    font-size: 0.92rem;
    font-weight: 800;
    color: #0f172a;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 4px 10px;
    border-radius: 8px;
    white-space: nowrap;
    letter-spacing: -0.2px;
  }
  .lb-mobile-card.is-current-user .lb-mc-score-chip {
    background: #ffffff;
    border-color: #bfdbfe;
    color: #1d4ed8;
  }
  .lb-mc-bottom-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #f1f5f9;
    padding-top: 10px;
    min-width: 0;
  }
  .lb-mobile-card.is-current-user .lb-mc-bottom-row {
    border-top-color: #dbeafe;
  }
  .lb-mc-meta-stat {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #475569;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
  }
  .lb-mc-meta-icon {
    font-size: 0.85rem;
  }
  .lb-mc-points-tag {
    flex-shrink: 0;
  }
  .lb-mc-points-tag .points-pill-gold {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
  }
}

/* ── Contest Play Interface Responsiveness (Tablets & Phones < 992px) ── */
@media (max-width: 992px) {
  .play-split-grid {
    grid-template-columns: 1fr !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 14px !important;
  }
  .play-navigator-col {
    order: -1 !important;
    width: 100% !important;
  }
  .navigator-card {
    padding: 1.15rem 1.15rem !important;
    border-radius: 14px !important;
  }
  .nav-card-title {
    font-size: 1rem !important;
    margin-bottom: 0.75rem !important;
  }
  .q-grid-buttons {
    grid-template-columns: repeat(5, 1fr) !important;
    gap: 8px !important;
    margin-bottom: 0.85rem !important;
  }
  .q-nav-tile {
    font-size: 0.9rem !important;
    border-radius: 8px !important;
    aspect-ratio: 1 !important;
  }
  .nav-legend-list {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px 10px !important;
    padding-top: 0.75rem !important;
    margin-bottom: 0.85rem !important;
  }
  .legend-row {
    font-size: 0.75rem !important;
    gap: 6px !important;
  }
  .btn-toggle-review {
    padding: 8px !important;
    font-size: 0.82rem !important;
  }
  .question-active-card {
    padding: 1.25rem 1rem !important;
    min-height: auto !important;
    border-radius: 14px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .q-header-row {
    margin-bottom: 1rem !important;
    padding-bottom: 0.75rem !important;
  }
  .q-text {
    font-size: 1.12rem !important;
    line-height: 1.45 !important;
    margin-bottom: 1rem !important;
    word-break: break-word !important;
  }
  .q-code-container {
    padding: 0.85rem 1rem !important;
    font-size: 0.82rem !important;
    margin-bottom: 1.15rem !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .q-options-list {
    gap: 10px !important;
    margin-bottom: 1.25rem !important;
  }
  .q-option-card {
    padding: 11px 14px !important;
    font-size: 0.92rem !important;
    gap: 10px !important;
  }
}

/* Small Screen Phones (< 480px) */
@media (max-width: 480px) {
  .hero-main-heading {
    font-size: clamp(1.45rem, 6vw, 1.85rem);
  }
  .hero-gradient-text {
    font-size: clamp(1.2rem, 5vw, 1.45rem);
  }
  .hero-badge-float {
    display: none;
  }
  .hero-3d-scene {
    max-width: 260px;
    margin: 0 auto;
  }

  .countdown-grid {
    gap: 4px;
  }
  .countdown-tile {
    min-width: 46px;
    padding: 6px 6px;
  }
  .cd-num {
    font-size: 1.15rem;
  }
  .cd-unit {
    font-size: 0.58rem;
  }
  .cd-sep {
    font-size: 0.9rem;
  }

  .contest-card-main,
  .contest-rules-card,
  .p-history-card,
  .p-rewards-rules-card,
  .profile-header-card,
  .profile-tier-progress-card {
    padding: 1.15rem 0.85rem;
    border-radius: var(--radius-lg);
  }

  .profile-name {
    font-size: 1.25rem;
  }
  .profile-actions-right {
    flex-direction: column;
    gap: 8px;
  }
  .profile-actions-right .btn-sm {
    width: 100%;
    min-height: 40px;
  }
  .profile-four-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  .p-stat-box {
    padding: 0.85rem 0.65rem;
  }
  .p-stat-number {
    font-size: 1.35rem;
  }
  .p-stat-title {
    font-size: 0.72rem;
  }

  .result-four-metrics-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .play-navbar {
    padding: 8px 10px !important;
  }
  .play-nav-left {
    gap: 8px !important;
  }
  .play-logo-brand .brand-logo-img {
    width: 26px !important;
    height: 26px !important;
  }
  .play-logo-brand .brand-name {
    font-size: 1.15rem !important;
  }
  .play-contest-title,
  .play-nav-divider {
    display: none !important;
  }
  .badge-virtual-mode-pill {
    font-size: 0.65rem !important;
    padding: 2px 7px !important;
  }
  .play-nav-right {
    gap: 6px !important;
  }
  .play-timer-capsule {
    padding: 4px 8px !important;
    gap: 4px !important;
  }
  .timer-clock-icon {
    width: 15px !important;
    height: 15px !important;
  }
  .timer-text-label {
    display: none !important;
  }
  .timer-digits-val {
    font-size: 0.92rem !important;
  }
  .btn-nav-submit {
    padding: 6px 12px !important;
    font-size: 0.82rem !important;
  }

  .play-main-container {
    padding: 0 10px !important;
    margin: 0.75rem auto !important;
  }

  .q-footer-actions {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    align-items: center !important;
    gap: 8px !important;
    margin-top: 1rem !important;
  }
  .footer-right-buttons {
    display: flex !important;
    gap: 8px !important;
    width: auto !important;
  }
  .footer-right-buttons .btn-step {
    padding: 8px 12px !important;
    font-size: 0.82rem !important;
  }
  .btn-rtg-text {
    width: auto !important;
    padding: 8px 10px !important;
    font-size: 0.82rem !important;
  }

  .result-summary-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    padding: 0.85rem;
  }
}

/* Extra Small Phones (< 360px — Galaxy Fold folded, small devices) */
@media (max-width: 360px) {
  .profile-four-stats-grid {
    grid-template-columns: 1fr;
  }
  .result-four-metrics-row {
    grid-template-columns: 1fr;
  }
  .nav-legend-list {
    grid-template-columns: 1fr;
  }
  .q-grid-buttons {
    gap: 5px !important;
  }
}

/* ── Large Desktop & High-Resolution Displays (1536px up to 2560 x 1664) ── */
@media (min-width: 1536px) {
  .contest-container {
    max-width: 1480px;
    padding: 0 2.5rem;
  }
  .lb-table-container {
    max-width: 1320px;
  }
  .play-main-container {
    max-width: 1560px;
    padding: 0 2.5rem;
    margin: 2rem auto;
  }
  .play-split-grid {
    grid-template-columns: 350px 1fr;
    gap: 2rem;
  }
  .question-active-card {
    padding: 2.5rem 3rem;
  }
  .q-text {
    font-size: 1.45rem;
  }
  .play-navbar {
    padding: 14px 3rem;
  }
}

@media (min-width: 2000px) {
  .contest-container {
    max-width: 1840px;
    padding: 0 3.5rem;
  }
  .lb-table-container {
    max-width: 1600px;
  }
  .play-main-container {
    max-width: 1880px;
    padding: 0 4rem;
    margin: 2.5rem auto;
  }
  .play-split-grid {
    grid-template-columns: 400px 1fr;
    gap: 2.5rem;
  }
  .question-active-card {
    padding: 3rem 3.5rem;
  }
  .q-text {
    font-size: 1.55rem;
  }
  .play-navbar {
    padding: 18px 4.5rem;
  }
  .play-logo-brand .brand-name {
    font-size: 1.5rem;
  }
  .play-logo-brand .brand-logo-img {
    width: 36px;
    height: 36px;
  }
}