/* ==========================================================================
   QUIZ 🏆 — MODERN MOBILE APP DESIGN SYSTEM
   Replication of Dribbble/Figma Mobile-First UI:
   Soft Cream `#F9F6F0`, Black Pill Controls, Coral Cards, Floating Dock, Podiums.
   ========================================================================== */

:root {
  --app-bg: #F9F6F0;
  --app-surface: #FFFFFF;
  --app-card-bg: #F4EFEB;
  --app-text-main: #141416;
  --app-text-muted: #777E90;
  --app-text-subtle: #A0A5B5;
  --pill-black: #111113;
  --pill-black-hover: #222226;
  
  /* Theme Accents */
  --coral-red: #FF4B26;
  --coral-red-deep: #E03713;
  --accent-cyan: #00B2FF;
  --accent-blue: #3B82F6;
  --accent-green: #10B981;
  --accent-amber: #F59E0B;
  --accent-purple: #8B5CF6;
  --accent-pink: #EC4899;

  /* Typography */
  --font-display: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-ui: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Elevation */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 25px -4px rgba(0, 0, 0, 0.08);
  --shadow-pill: 0 12px 28px -6px rgba(17, 17, 19, 0.28);
  --shadow-dock: 0 20px 40px -10px rgba(0, 0, 0, 0.35);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: #EFECE6;
  color: var(--app-text-main);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ================= DESKTOP SHOWCASE TOOLBAR ================= */
.showcase-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  z-index: 1000;
}

.toolbar-brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.toolbar-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--pill-black);
}

.toolbar-sub {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-text-muted);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.screen-switch-group {
  display: flex;
  background: #F0EDE6;
  padding: 4px;
  border-radius: 9999px;
  gap: 4px;
}

.switch-pill {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 9999px;
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.switch-pill:hover {
  color: var(--pill-black);
}

.switch-pill.active {
  background: var(--pill-black);
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.view-mode-toggle {
  display: flex;
  background: #F0EDE6;
  padding: 4px;
  border-radius: 9999px;
  gap: 4px;
}

.mode-btn {
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 9999px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--app-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-btn.active {
  background: #FFFFFF;
  color: var(--pill-black);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.sound-pill-btn {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #FFFFFF;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sound-pill-btn:hover {
  transform: scale(1.05);
  background: #F7F5F0;
}

/* ================= STAGE & PHONE FRAME ================= */
.showcase-stage {
  min-height: 100vh;
  padding: 96px 1.5rem 2.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

/* Phone Mockup Frame (iPhone 15 Pro Aesthetic) */
.phone-device {
  width: 100%;
  max-width: 410px;
  height: 860px;
  background-color: var(--app-bg);
  border-radius: 54px;
  box-shadow: 
    0 0 0 12px #262628,
    0 0 0 14px #424245,
    0 30px 70px -10px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Fluid Desktop Override */
body.fluid-mode .phone-device {
  max-width: 1100px;
  height: auto;
  min-height: 880px;
  border-radius: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  margin: 0 auto;
}

body.fluid-mode .phone-frame-header {
  display: none;
}

/* Device Top Status & Dynamic Island */
.phone-frame-header {
  height: 48px;
  width: 100%;
  padding: 0 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 100;
  user-select: none;
}

.phone-time {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--pill-black);
  letter-spacing: -0.02em;
}

.dynamic-island {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 10px;
  width: 116px;
  height: 28px;
  background: #000000;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
}

.island-camera {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #111528;
  margin-right: 8px;
}

.island-sensor {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #090a14;
}

.phone-status-icons {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--pill-black);
}

/* Scrollable Viewport inside Phone */
.app-viewport {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE */
}

.app-viewport::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.screen-view {
  width: 100%;
  min-height: 100%;
  animation: fadeInScreen 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.screen-view.hidden {
  display: none;
}

@keyframes fadeInScreen {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.screen-content {
  padding: 1.25rem 1.6rem 2rem;
}

.bottom-dock-spacer {
  height: 90px;
}

/* ================= 1. ONBOARDING SCREEN ================= */
.onboarding-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: calc(860px - 48px);
  padding: 1.5rem 1.6rem 2.5rem;
}

.brand-masthead {
  padding-top: 0.5rem;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--pill-black);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-trophy {
  font-size: 2.4rem;
  display: inline-block;
  transform: rotate(4deg);
}

.brand-title-small {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--pill-black);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Retro Collage Illustration */
.collage-illustration {
  position: relative;
  width: 100%;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
}

.confetti-stream {
  position: absolute;
  width: 80px;
  height: 120px;
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.85;
}

.confetti-stream.left {
  left: 0;
  top: 10px;
  background-image: radial-gradient(circle, #FF4B26 3px, transparent 3px), radial-gradient(circle, #F59E0B 4px, transparent 4px);
  background-size: 18px 18px;
}

.confetti-stream.right {
  right: 0;
  bottom: 10px;
  background-image: radial-gradient(circle, #00B2FF 3px, transparent 3px), radial-gradient(circle, #10B981 4px, transparent 4px);
  background-size: 16px 16px;
}

.collage-art-wrapper {
  position: relative;
  width: 250px;
  height: 250px;
}

.collage-badge-chip {
  position: absolute;
  top: 12px;
  left: -12px;
  background: #FF4B26;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
  transform: rotate(-12deg);
  z-index: 10;
  box-shadow: 0 6px 14px rgba(255, 75, 38, 0.3);
}

.collage-photo-frame {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
  background: #E8E2D8;
  box-shadow: var(--shadow-md);
  border: 4px solid #FFFFFF;
}

.collage-photo-inner {
  width: 100%;
  height: 100%;
  position: relative;
}

.collage-img.main {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.1) grayscale(0.2);
}

.collage-icon-cassette {
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 48px;
  height: 48px;
  background: var(--pill-black);
  color: #FFFFFF;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  border: 3px solid #FFFFFF;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 10;
}

.onboarding-copy {
  margin-top: 0.5rem;
  text-align: center;
}

.onboarding-headline {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--pill-black);
  margin-bottom: 0.6rem;
  line-height: 1.2;
}

.onboarding-subtext {
  font-size: 0.88rem;
  color: var(--app-text-muted);
  line-height: 1.5;
  padding: 0 0.5rem;
}

.onboarding-cta-wrap {
  margin-top: 1.75rem;
}

/* ================= 2. HOME DASHBOARD ================= */
.home-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.diamond-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #FFFFFF;
  padding: 6px 14px;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.diamond-pill:hover {
  transform: scale(1.04);
}

.diamond-pill.sm {
  padding: 4px 10px;
}

.diamond-glyph {
  font-size: 1rem;
}

.diamond-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--pill-black);
}

.home-hero-text {
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--app-text-muted);
  margin-bottom: 1.25rem;
}

/* Pro Banner */
.pro-upgrade-card {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 0.9rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
}

.pro-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pro-crown {
  font-size: 1.4rem;
}

.pro-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--pill-black);
}

.pro-sub {
  font-size: 0.7rem;
  color: var(--app-text-muted);
  max-width: 190px;
  line-height: 1.3;
}

.pro-pill-btn {
  background: var(--pill-black);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pro-pill-btn:hover {
  background: var(--pill-black-hover);
}

/* Popular Game Cards (Horizontal Carousel) */
.section-heading-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.9rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--pill-black);
  display: flex;
  align-items: center;
  gap: 4px;
}

.fire-icon {
  font-size: 1.1rem;
}

.section-link {
  background: transparent;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-text-muted);
  cursor: pointer;
}

.popular-cards-scroll {
  display: flex;
  gap: 1.1rem;
  overflow-x: auto;
  padding-bottom: 0.8rem;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}

.popular-cards-scroll::-webkit-scrollbar {
  display: none;
}

/* Category Card */
.hero-category-card {
  flex: 0 0 250px;
  height: 290px;
  border-radius: 28px;
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  scroll-snap-align: start;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease;
  box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.12);
}

.hero-category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -6px rgba(0, 0, 0, 0.18);
}

.hero-category-card.coral-theme {
  background: var(--coral-red);
  color: #FFFFFF;
}

.hero-category-card.blue-theme {
  background: #2563EB;
  color: #FFFFFF;
}

.hero-category-card.amber-theme {
  background: #D97706;
  color: #FFFFFF;
}

.card-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-tag-pill {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 9999px;
  letter-spacing: 0.02em;
}

.heart-toggle-btn {
  background: rgba(255, 255, 255, 0.25);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.heart-toggle-btn:hover {
  transform: scale(1.15);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 0.45rem;
}

.card-desc {
  font-size: 0.75rem;
  line-height: 1.4;
  opacity: 0.92;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer-visual {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-top: 0.5rem;
}

.card-visual-pill {
  background: #FFFFFF;
  color: var(--pill-black);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: 9999px;
}

.card-mini-collage {
  width: 76px;
  height: 76px;
  border-radius: 18px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.mini-collage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2);
}

/* Recent Played List */
.recent-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.recent-row-item {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 0.9rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  cursor: pointer;
  transition: all 0.15s ease;
}

.recent-row-item:hover {
  transform: translateX(3px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
}

.recent-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.category-circle-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}

.category-circle-icon.bg-pink { background: #FCE7F3; }
.category-circle-icon.bg-cyan { background: #E0F2FE; }
.category-circle-icon.bg-amber { background: #FEF3C7; }
.category-circle-icon.bg-purple { background: #F3E8FF; }

.recent-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--pill-black);
}

.recent-sub {
  font-size: 0.72rem;
  color: var(--app-text-muted);
  margin-top: 2px;
}

.pill-btn-red-sm {
  background: var(--coral-red);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 7px 15px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 4px 10px rgba(255, 75, 38, 0.25);
}

.pill-btn-red-sm:hover {
  background: var(--coral-red-deep);
  transform: scale(1.03);
}

.items-count-pill {
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--app-text-muted);
  padding: 4px 10px;
  border-radius: 9999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

/* ================= 3. QUIZ GAMEPLAY SCREEN ================= */
.quiz-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
}

.round-nav-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #FFFFFF;
  border: none;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pill-black);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: transform 0.15s ease;
}

.round-nav-btn:hover {
  transform: scale(1.08);
}

.quiz-progress-pill {
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--pill-black);
  padding: 6px 14px;
  border-radius: 9999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.quiz-timer-pill {
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--coral-red);
  padding: 6px 14px;
  border-radius: 9999px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.quiz-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.quiz-topic-badge {
  background: var(--pill-black);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 12px;
  border-radius: 9999px;
}

.quiz-bookmark-btn {
  background: #FFFFFF;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--app-text-muted);
  padding: 4px 10px;
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.quiz-bookmark-btn.active {
  color: #F59E0B;
}

/* Question Stem Card */
.quiz-question-card {
  background: #FFFFFF;
  border-radius: 26px;
  padding: 1.5rem 1.4rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  margin-bottom: 1.25rem;
}

.question-stem-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--pill-black);
}

/* Option Buttons */
.quiz-options-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.quiz-opt-btn {
  background: #FFFFFF;
  border: 2px solid transparent;
  border-radius: 20px;
  padding: 0.95rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.04);
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.quiz-opt-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
  border-color: #E2DDD5;
}

.opt-badge-pill {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #F4EFEB;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pill-black);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.opt-label-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--pill-black);
  line-height: 1.35;
}

/* Option States */
.quiz-opt-btn.correct-choice {
  background: #ECFDF5;
  border-color: #10B981;
}

.quiz-opt-btn.correct-choice .opt-badge-pill {
  background: #10B981;
  color: #FFFFFF;
}

.quiz-opt-btn.wrong-choice {
  background: #FEF2F2;
  border-color: #EF4444;
}

.quiz-opt-btn.wrong-choice .opt-badge-pill {
  background: #EF4444;
  color: #FFFFFF;
}

/* Explanation Critique Card */
.quiz-explanation-card {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  margin-bottom: 1.25rem;
  animation: fadeInScreen 0.25s ease;
}

.exp-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.exp-status-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.exp-header.correct .exp-status-icon {
  background: #10B981;
  color: #FFFFFF;
}

.exp-header.incorrect .exp-status-icon {
  background: #EF4444;
  color: #FFFFFF;
}

.exp-status-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.exp-header.correct .exp-status-label { color: #059669; }
.exp-header.incorrect .exp-status-label { color: #DC2626; }

.exp-body {
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--app-text-muted);
}

/* Bottom Navigation Controls */
.quiz-nav-bottom-bar {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.75rem;
}

.quiz-action-pill {
  border: none;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 700;
  padding: 14px 20px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-action-pill.outline {
  background: #FFFFFF;
  color: var(--pill-black);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.quiz-action-pill.solid {
  background: var(--pill-black);
  color: #FFFFFF;
  box-shadow: var(--shadow-pill);
}

.quiz-action-pill:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ================= 4. LEADERBOARD SCREEN ================= */
.leaderboard-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.leaderboard-heading {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--pill-black);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Podium Top 3 Avatars */
.podium-container {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 2rem;
}

.podium-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100px;
}

.avatar-ring {
  position: relative;
  border-radius: 50%;
  padding: 3px;
  background: #FFFFFF;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.avatar-ring.ring-gold {
  width: 86px;
  height: 86px;
  border: 3px solid #F59E0B;
}

.avatar-ring.ring-silver {
  width: 74px;
  height: 74px;
  border: 3px solid #94A3B8;
}

.avatar-ring.ring-bronze {
  width: 74px;
  height: 74px;
  border: 3px solid #D97706;
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.crown-icon-gold {
  font-size: 1.4rem;
  margin-bottom: -6px;
  z-index: 10;
  animation: floatCrown 2s ease-in-out infinite alternate;
}

@keyframes floatCrown {
  from { transform: translateY(0); }
  to { transform: translateY(-4px); }
}

.podium-badge {
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  border: 2px solid #FFFFFF;
}

.badge-gold { background: #F59E0B; }
.badge-silver { background: #94A3B8; }
.badge-bronze { background: #D97706; }

.podium-name {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--pill-black);
  margin-top: 0.65rem;
}

.podium-diamonds {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--app-text-muted);
  margin-top: 2px;
}

/* Ranked List */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.player-rank-row {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 0.85rem 1.15rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.player-rank-row.current-user {
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.player-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.player-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.player-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--pill-black);
}

.player-points {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--app-text-muted);
}

.player-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-me-pill {
  background: var(--pill-black);
  color: #FFFFFF;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
}

.score-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #FFFFFF;
}

.score-badge.badge-red { background: #FF4B26; }
.score-badge.badge-cyan { background: #00B2FF; }
.score-badge.badge-green { background: #10B981; }
.score-badge.badge-yellow { background: #F59E0B; }
.score-badge.badge-purple { background: #8B5CF6; }

/* ================= 5. CURRICULUM CHAPTERS SCREEN ================= */
.chapters-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.1rem;
}

.chapters-heading {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--pill-black);
}

.chapters-search-box {
  position: relative;
  margin-bottom: 1.25rem;
}

.chapters-search-box input {
  width: 100%;
  background: #FFFFFF;
  border: none;
  padding: 12px 42px 12px 16px;
  border-radius: 18px;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--pill-black);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  outline: none;
}

.chapters-search-box input::placeholder {
  color: var(--app-text-muted);
}

.chapters-search-box .search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  color: var(--app-text-muted);
}

.chapters-grid-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.chapter-card-item {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 1rem 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.03);
  cursor: pointer;
  transition: all 0.15s ease;
}

.chapter-card-item:hover {
  transform: translateX(3px);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.06);
}

.ch-meta-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ch-roman {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--coral-red);
  letter-spacing: 0.08em;
}

.ch-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--pill-black);
}

.ch-count {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--app-text-muted);
}

.ch-play-btn {
  background: var(--pill-black);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 7px 16px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ch-play-btn:hover {
  background: var(--pill-black-hover);
}

/* ================= FLOATING BOTTOM NAVIGATION DOCK ================= */
.floating-dock {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--pill-black);
  padding: 6px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: var(--shadow-dock);
  z-index: 200;
}

.dock-item {
  border: none;
  background: transparent;
  padding: 8px 14px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  color: #9CA3AF;
}

.dock-icon {
  font-size: 1.05rem;
}

.dock-label {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 700;
  display: none;
}

.dock-item:hover {
  color: #FFFFFF;
}

.dock-item.active {
  background: #27272A;
  color: #FFFFFF;
}

.dock-item.active .dock-label {
  display: inline-block;
}

/* ================= BUTTONS ================= */
.pill-btn-black {
  background: var(--pill-black);
  color: #FFFFFF;
  border: none;
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 28px;
  border-radius: 9999px;
  cursor: pointer;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  box-shadow: var(--shadow-pill);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.pill-btn-black:hover {
  background: var(--pill-black-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -6px rgba(17, 17, 19, 0.36);
}

.pill-btn-black.full-width {
  width: 100%;
}

/* Floating Reward Diamond Popup */
.floating-reward-container {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
}

.reward-popup {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: #00B2FF;
  background: #FFFFFF;
  padding: 6px 14px;
  border-radius: 9999px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 4px;
  animation: floatUpFade 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes floatUpFade {
  0% { opacity: 0; transform: translate(-50%, 0) scale(0.6); }
  25% { opacity: 1; transform: translate(-50%, -20px) scale(1.1); }
  100% { opacity: 0; transform: translate(-50%, -60px) scale(0.9); }
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .showcase-toolbar {
    padding: 0 1rem;
  }
  .toolbar-sub {
    display: none;
  }
  .showcase-stage {
    padding: 74px 0.5rem 1rem;
  }
  .phone-device {
    height: 100vh;
    border-radius: 0;
    box-shadow: none;
  }
}