/* ============================
   JWQuiz — Desktop CSS (Landscape ≥769px or PC)
   Premium design: glassmorphism,
   gradient accents, dark mode
   ============================ */

/* ═══════════════════════════════
   1. CSS VARIABLES & DARK MODE
   ═══════════════════════════════ */
:root {
  /* Core palette */
  --primary: #6c3fc5;
  --primary-light: #8b6ce0;
  --primary-dark: #4a2494;
  --primary-bg: rgba(108, 63, 197, 0.06);
  --primary-glow: rgba(108, 63, 197, 0.25);

  /* Accent */
  --magenta: #d946ef;
  --magenta-light: rgba(217, 70, 239, 0.1);
  --accent: #e8b931;

  /* Semantic */
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.1);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    #6c3fc5 0%,
    #a855f7 50%,
    #d946ef 100%
  );
  --gradient-text: linear-gradient(
    135deg,
    #8b6ce0 0%,
    #a855f7 50%,
    #d946ef 100%
  );
  --gradient-hero: radial-gradient(
    ellipse at 50% 0%,
    rgba(108, 63, 197, 0.12) 0%,
    transparent 70%
  );
  --gradient-surface: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9) 0%,
    rgba(255, 255, 255, 0.6) 100%
  );
  --gradient-sidebar: linear-gradient(
    180deg,
    #4a2494 0%,
    #2d1564 50%,
    #1a0d3b 100%
  );

  /* Surfaces */
  --bg: #f5f3fb;
  --bg-alt: #ffffff;
  --bg-body: linear-gradient(160deg, #f5f3fb 0%, #ede8f7 40%, #f0ecf9 100%);
  --bg-waves: url("/assets/img/bg-waves.png");
  --surface: rgba(255, 255, 255, 0.75);
  --surface-hover: rgba(255, 255, 255, 0.9);

  /* Text */
  --text: #1e1433;
  --text-light: #6b6080;
  --text-muted: #9990a8;

  /* Borders & Shadows */
  --border: rgba(108, 63, 197, 0.1);
  --border-hover: rgba(108, 63, 197, 0.25);
  --shadow-sm: 0 2px 8px rgba(108, 63, 197, 0.06);
  --shadow: 0 4px 24px rgba(108, 63, 197, 0.08);
  --shadow-hover: 0 12px 40px rgba(108, 63, 197, 0.14);
  --shadow-glow: 0 0 30px rgba(108, 63, 197, 0.15);

  /* Radii */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Typography */
  --font: "Outfit", sans-serif;

  /* Transition */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.35);
  --glass-blur: 16px;

  /* Icon */
  --icon-size: 1.15em;
  --icon-filter: brightness(0) saturate(100%);
}

/* ── Dark Mode ─────────────────── */
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #a78bfa;
    --primary-light: #c4b5fd;
    --primary-dark: #7c3aed;
    --primary-bg: rgba(167, 139, 250, 0.08);
    --primary-glow: rgba(167, 139, 250, 0.2);

    --magenta: #e879f9;
    --magenta-light: rgba(232, 121, 249, 0.12);

    --success: #4ade80;
    --success-bg: rgba(74, 222, 128, 0.12);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.12);

    --gradient-primary: linear-gradient(
      135deg,
      #7c3aed 0%,
      #a855f7 50%,
      #e879f9 100%
    );
    --gradient-text: linear-gradient(
      135deg,
      #c4b5fd 0%,
      #a855f7 50%,
      #e879f9 100%
    );
    --gradient-hero: radial-gradient(
      ellipse at 50% 0%,
      rgba(124, 58, 237, 0.15) 0%,
      transparent 70%
    );
    --gradient-surface: linear-gradient(
      135deg,
      rgba(30, 20, 51, 0.9) 0%,
      rgba(30, 20, 51, 0.6) 100%
    );
    --gradient-sidebar: linear-gradient(
      180deg,
      #2d1564 0%,
      #1a0d3b 50%,
      #0f0822 100%
    );

    --bg: #0f0a1a;
    --bg-alt: #1a1128;
    --bg-body: linear-gradient(160deg, #0f0a1a 0%, #150e26 40%, #110c1f 100%);
    --bg-waves: url("/assets/img/bg-waves.png");
    --surface: rgba(30, 20, 51, 0.7);
    --surface-hover: rgba(30, 20, 51, 0.85);

    --text: #e8e4f0;
    --text-light: #a89fc0;
    --text-muted: #6b5f82;

    --border: rgba(167, 139, 250, 0.12);
    --border-hover: rgba(167, 139, 250, 0.25);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(167, 139, 250, 0.12);

    --glass-bg: rgba(26, 17, 40, 0.7);
    --glass-border: rgba(167, 139, 250, 0.1);
    --glass-blur: 16px;
    --icon-filter: brightness(0) invert(1);
  }
}

/* ═══════════════════════════════
   2. RESET & BASE
   ═══════════════════════════════ */
html {
  scroll-behavior: smooth;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

/* iOS Button Compatibility */
button {
  -webkit-appearance: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  user-select: none;
  -moz-appearance: none;
  appearance: none;
  background-color: transparent;
}

input,
textarea,
select {
  -webkit-appearance: none;
  border-radius: 4px;
}

body {
  font-family: var(--font);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(
      circle at 15% 20%,
      rgba(174, 0, 255, 0.28) 0%,
      transparent 35%
    ),
    radial-gradient(
      circle at 85% 75%,
      rgba(132, 0, 255, 0.22) 0%,
      transparent 35%
    ),
    radial-gradient(
      circle at 50% 50%,
      rgba(75, 0, 130, 0.18) 0%,
      transparent 55%
    ),
    linear-gradient(135deg, #050816 0%, #090d22 30%, #060816 60%, #0b0618 100%);
  background-origin: border-box;
  background-attachment: fixed;
  background-blend-mode: screen, screen, soft-light, normal;
  color: var(--text);
  line-height: 1.65;
  position: relative;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* EFFETTO NEBBIA / ONDE LATERALI */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* LATO SINISTRO */
body::before {
  background:
    radial-gradient(
      circle at 0% 15%,
      rgba(183, 0, 255, 0.28) 0%,
      transparent 28%
    ),
    radial-gradient(
      circle at 10% 80%,
      rgba(140, 0, 255, 0.18) 0%,
      transparent 30%
    );
  filter: blur(60px);
  opacity: 0.9;
}

/* LATO DESTRO */
body::after {
  background:
    radial-gradient(
      circle at 100% 10%,
      rgba(76, 0, 255, 0.22) 0%,
      transparent 25%
    ),
    radial-gradient(
      circle at 100% 85%,
      rgba(183, 0, 255, 0.22) 0%,
      transparent 30%
    );
  filter: blur(70px);
  opacity: 0.85;
}

/* CONTENITORE PRINCIPALE */
.main-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Icon images */
.icon-img {
  width: var(--icon-size);
  height: var(--icon-size);
  vertical-align: middle;
  flex-shrink: 0;
  transition: var(--transition-fast);
  filter: var(--icon-filter);
}

/* Icons inside white-text contexts: force white */
.btn-start .icon-img,
.btn-go .icon-img,
.btn-next .icon-img,
.btn-submit .icon-img,
.btn.primary .icon-img,
.btn-primary .icon-img,
.btn-result.primary .icon-img,
.lang-btn.active .icon-img,
.diff-btn.selected .icon-img,
.count-btn.selected .icon-img,
.filter-btn.active .icon-img,
.step-num .icon-img {
  filter: brightness(0) invert(1);
}

/* Icons inside danger context */
.toolbar-btn.danger .icon-img {
  filter: brightness(0) saturate(100%) invert(42%) sepia(93%) saturate(1352%)
    hue-rotate(337deg);
}

/* Answer button correct/wrong icon colors */
.answer-btn.correct .icon-img {
  filter: brightness(0) saturate(100%) invert(58%) sepia(62%) saturate(504%)
    hue-rotate(95deg);
}
.answer-btn.wrong .icon-img {
  filter: brightness(0) saturate(100%) invert(42%) sepia(93%) saturate(1352%)
    hue-rotate(337deg);
}

/* Quiz score icon: green */
.quiz-score .icon-img {
  width: 1.5em;
  height: 1.5em;
  filter: brightness(0) saturate(100%) invert(58%) sepia(62%) saturate(504%)
    hue-rotate(95deg);
}

/* Vote button icons: keep themed */
.vote-btn .icon-img,
.btn.danger .icon-img {
  filter: none; /* Let the SVG colors show or handle with brightness/hue */
}

.btn.danger .icon-img {
  filter: brightness(0) saturate(100%) invert(35%) sepia(85%) saturate(1500%)
    hue-rotate(345deg);
}

/* Don't filter actual content images */
.question-image,
.question-thumb,
.image-preview {
  filter: none !important;
  border-radius: var(--radius-sm);
}

/* ═══════════════════════════════
   3. TOP BAR (Glassmorphism)
   ═══════════════════════════════ */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 40px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition);
}

body.quiz-page.quiz-fullscreen .top-bar {
  display: none;
}

body.quiz-page.quiz-fullscreen .site-footer {
  display: none;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.logo-link .icon-img {
  width: 1.6em;
  height: 1.6em;
  filter: none;
}

.logo-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(108, 63, 197, 0.1));
}

.lang-switch {
  display: flex;
  gap: 6px;
}

.lang-btn {
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  border: 1.5px solid var(--border);
  color: var(--text-light);
  background: var(--surface);
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

.lang-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 12px rgba(108, 63, 197, 0.3);
}

/* ═══════════════════════════════
   4. MAIN CONTENT
   ═══════════════════════════════ */
main {
  max-width: 920px;
  margin: 0 auto;
  padding: 60px 40px;
  width: 100%;
  flex: 1;
}

body.quiz-page {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.quiz-page main {
  flex: 1;
  min-height: 0;
  max-width: 100%;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

body.quiz-page.quiz-fullscreen main {
  max-width: 100%;
  padding: 12px 20px;
}

body.quiz-page .site-footer {
  display: none !important;
}

/* ═══════════════════════════════
   5. HERO SECTION (Landing)
   ═══════════════════════════════ */
.hero {
  text-align: center;
  padding: 24px 20px 10px;
  position: relative;
}

/* Decorative background glow */
.hero::before {
  content: "";
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(
    ellipse,
    rgba(108, 63, 197, 0.12) 0%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-icon {
  width: clamp(12rem, 25vh, 24rem) !important;
  height: auto !important;
  display: block;
  margin: 0 auto 12px;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 20px var(--primary-glow));
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0;
  letter-spacing: -0.01em;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.hero-title-light {
  color: #e5d0ff;
}

.hero-title-white {
  color: #ffffff;
}

.hero-title-gradient {
  background: linear-gradient(to right, #a855f7 0%, #7dd3fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 580px;
  margin: 0 auto 24px;
  line-height: 1.25;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* ═══════════════════════════════
   6. HOW IT WORKS
   ═══════════════════════════════ */
.how-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  margin-bottom: 44px;
  box-shadow: var(--shadow);
}

.how-section h3 {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 28px;
}

.how-section h3 .icon-img {
  width: 1.3em;
  height: 1.3em;
}

.how-steps {
  display: flex;
  gap: 28px;
  justify-content: center;
}

.how-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  flex: 1;
  max-width: 220px;
  padding: 20px 16px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.how-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}

.how-step .step-num {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(108, 63, 197, 0.3);
}

.how-step p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ═══════════════════════════════
   7. START BUTTON (Gradient)
   ═══════════════════════════════ */
.btn-start {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 60px;
  font-size: 1.35rem;
  font-weight: 800;
  font-family: var(--font);
  color: #fff;
  background: var(--gradient-primary);
  background-size: 200% 200%;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  animation:
    gradient-shift 4s ease infinite,
    pulse-glow 2.5s ease-in-out infinite;
  box-shadow: 0 4px 20px rgba(108, 63, 197, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-start::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transform: skewX(-20deg);
  animation: shimmer 3s ease-in-out infinite;
}

.btn-start:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 32px rgba(108, 63, 197, 0.45);
}

.btn-start:active {
  transform: translateY(0) scale(0.98);
}

/* ═══════════════════════════════
   8. CONFIG SECTION
   ═══════════════════════════════ */
.config-section {
  display: none;
  max-width: 720px;
  margin: 0 auto 20px;
  padding: 0;
  position: relative;
}

/* Removed top bar gradient */

.config-section.active {
  display: block;
  animation: slideUp 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.config-section h3 {
  text-align: center;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 44px;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  filter: drop-shadow(0 4px 12px rgba(108, 63, 197, 0.2));
}

.config-label {
  display: block;
  text-align: center;
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--text);
  font-size: 1rem;
  letter-spacing: -0.2px;
}

/* Removed pink line */

.difficulty-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

#mode-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 48px;
}

#mode-grid .mode-btn {
  flex: 0 1 280px;
}

.diff-btn {
  padding: 32px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-family: var(--font);
  font-weight: 900;
  font-size: 1.15rem;
  cursor: pointer;
  transition: var(--transition-spring);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.diff-text-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.diff-title {
  font-size: 1.15rem;
  font-weight: 800;
  transition: color 0.3s ease;
}

.title-easy {
  color: #d946ef;
}
.title-medium {
  color: #60a5fa;
}
.title-hard {
  color: #c084fc;
}
.title-mixed {
  color: #e2e8f0;
}

.diff-btn.selected .diff-title {
  color: #fff;
}

.diff-desc {
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 600;
  line-height: 1.2;
}

.diff-btn.selected .diff-desc {
  color: rgba(255, 255, 255, 0.85);
}

.diff-btn .icon-img {
  width: 2.2em;
  height: 2.2em;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.diff-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-6px) scale(1.03);
  box-shadow: var(--shadow-hover);
}

.diff-btn:hover .icon-img {
  transform: scale(1.2) rotate(-5deg);
}

.diff-btn.selected {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 28px rgba(108, 63, 197, 0.45);
  transform: translateY(-6px) scale(1.03);
}

.diff-btn[data-diff="easy"].selected {
  background: linear-gradient(135deg, #16a34a, #22c55e, #4ade80);
  box-shadow: 0 8px 28px rgba(34, 197, 94, 0.45);
}

.diff-btn[data-diff="medium"].selected {
  background: linear-gradient(135deg, #d97706, #f59e0b, #fbbf24);
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
}

.diff-btn[data-diff="hard"].selected {
  background: linear-gradient(135deg, #dc2626, #ef4444, #f87171);
  box-shadow: 0 8px 28px rgba(239, 68, 68, 0.45);
}

.count-grid {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
}

.start-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
  align-items: center;
  justify-content: center;
}

.count-btn {
  width: 58px;
  height: 58px;
  border: 2px solid var(--border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-spring);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  line-height: 1;
  flex-shrink: 0;
}

.count-btn .icon-img {
  width: 1.25em;
  height: 1.25em;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.count-btn[data-count="all"] .icon-img {
  width: 1.1em;
  height: 1.1em;
}

.count-btn[data-count="all"] span {
  font-size: 0.75rem;
  font-weight: 600;
}

.count-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-hover);
}

.count-btn:hover .icon-img {
  transform: scale(1.25) rotate(12deg);
}

.count-btn.selected {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 28px rgba(108, 63, 197, 0.45);
  transform: translateY(-5px) scale(1.05);
}

.btn-go {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
  padding: 11px;
  font-size: 1rem;
  font-weight: 900;
  font-family: var(--font);
  color: #fff;
  background: var(--gradient-primary);
  background-size: 200% 200%;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: var(--transition);
  animation:
    gradient-shift 3s ease infinite,
    pulse-glow 2.5s ease-in-out infinite;
  box-shadow: 0 8px 32px rgba(108, 63, 197, 0.45);
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.btn-go::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transform: skewX(-20deg);
  animation: shimmer 2.5s ease-in-out infinite;
}

.btn-go .icon-img {
  width: 1.3em;
  height: 1.3em;
  transition: transform 0.3s ease;
}

.btn-go:hover:not(:disabled) {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 16px 48px rgba(108, 63, 197, 0.55);
}

.btn-go:hover:not(:disabled) .icon-img {
  transform: scale(1.2) rotate(20deg);
}

.btn-go:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  animation: none;
}

.btn-go:disabled::after {
  display: none;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: auto;
  min-width: 240px;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-light);
  background: var(--primary-bg);
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--primary-bg);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-outline:active {
  transform: translateY(-1px);
}

.home-join-wrapper {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  margin-bottom: 0;
  text-align: center;
  transition:
    opacity 0.4s ease,
    max-height 0.4s ease,
    margin 0.4s ease;
}

.home-join-wrapper.show {
  opacity: 1;
  max-height: 120px;
  margin-bottom: 44px;
  margin-top: 10px;
}

/* ═══════════════════════════════
   9. QUIZ PAGE
   ═══════════════════════════════ */
.quiz-container {
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Progress bar */
.quiz-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

.quiz-progress-text {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
  white-space: nowrap;
}

.quiz-progress-bar {
  flex: 1;
  height: 10px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  background-size: 200% 100%;
  border-radius: 6px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  animation: gradient-shift 3s ease infinite;
}

.quiz-progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30px;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35));
  border-radius: 6px;
}

.quiz-score {
  font-weight: 800;
  color: var(--success);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

/* Question card */
.question-card {
  background: transparent;
  border: none;
  backdrop-filter: none;
  box-shadow: none;
  padding: 20px 28px;
  animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex: 0 1 auto; /* Non forzare l'altezza piena */
  max-height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.question-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain; /* Massimizza lo spazio senza tagliare */
  border-radius: 24px;
  display: block;
  filter: none !important;
  transition: opacity 0.3s ease;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

/* ═══════════════════════════════
   QUIZ SPLIT LAYOUT
   ═══════════════════════════════ */
.quiz-main-split {
  display: flex;
  gap: 20px;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.quiz-image-panel {
  flex: 0 0 42%;
  display: flex;
  align-items: center; /* Centra verticalmente */
  justify-content: center;
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: 0;
  position: relative;
}

.quiz-image-panel::before {
  display: none;
}

.quiz-question-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center; /* Centra verticalmente rispetto all'immagine */
  min-height: 0;
  overflow: hidden;
}

.question-text {
  font-size: 2.4rem;
  font-weight: 700;
  color: #f3e8ff;
  text-align: center;
  line-height: 1.3;
  margin-bottom: 10px;
  filter: drop-shadow(0 4px 12px rgba(108, 63, 197, 0.2));
}

/* Answer grid */
.answers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.answer-btn {
  padding: 30px 24px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: var(--primary);
  font-family: var(--font);
  font-weight: 800;
  font-size: 1.5rem; /* Testo ancora più grande */
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.answer-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(108, 63, 197, 0.05),
    transparent
  );
  transition: left 0.5s ease;
}

.answer-btn:hover:not(.disabled)::before {
  left: 100%;
}

.answer-btn:hover:not(.disabled) {
  border-color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.answer-btn.correct {
  border: 3px solid #00e676;
  background: var(--surface);
  color: var(--text);
  animation: bounceIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: none;
}

.answer-btn.wrong {
  border: 3px solid #ff1744;
  background: var(--surface);
  color: var(--text);
  animation: shake 0.5s ease;
  box-shadow: none;
}

.answer-btn.show-correct {
  border: 3px solid #00e676;
  background: var(--surface);
  color: var(--text);
  box-shadow: none;
}

.answer-btn.disabled {
  cursor: default;
  opacity: 0.55;
}

.answer-btn.selected {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
}

/* === CANVAS WATER FILL — container only, animation handled by JS canvas === */
.answer-btn .water-fill {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  overflow: hidden;
  z-index: 0;
}

/* Text always above canvas */
.answer-btn .answer-text {
  position: relative;
  z-index: 2;
  transition:
    color 0.2s ease,
    text-shadow 0.2s ease;
}

/* White + shadow when water is filling */
.answer-btn.counting .answer-text,
.answer-btn.selected .answer-text {
  color: #fff;
  text-shadow:
    0 0 12px rgba(255, 255, 255, 0.6),
    0 1px 6px rgba(0, 0, 0, 0.55);
}

/* ═══════════════════════════════
   10. QUIZ TOOLBAR
   ═══════════════════════════════ */
.quiz-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.toolbar-btn .icon-img {
  width: 1.3em;
  height: 1.3em;
  filter: brightness(0) saturate(100%) invert(75%) sepia(30%) saturate(600%)
    hue-rotate(295deg) brightness(1.1);
}

.toolbar-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-1px);
}

.toolbar-btn.active,
.toolbar-btn.voted {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

.toolbar-btn.active .icon-img,
.toolbar-btn.voted .icon-img {
  filter: brightness(0) saturate(100%) invert(1); /* White for primary gradient background */
}

.toolbar-btn.danger {
  color: var(--danger);
}

.toolbar-btn.danger:hover {
  border-color: var(--danger);
  background: var(--danger-bg);
  color: var(--danger);
}

.toolbar-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  margin: 0 14px;
}

/* Vote buttons */
.quiz-vote-row {
  display: none !important;
}
.vote-btns {
  display: inline-flex;
  gap: 4px;
}

.vote-btn {
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}

.vote-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-sm);
}

.vote-btn.voted {
  border-color: var(--magenta);
  background: var(--magenta-light);
  box-shadow: 0 0 12px rgba(217, 70, 239, 0.15);
}

/* ═══════════════════════════════
   11. FEEDBACK AREA
   ═══════════════════════════════ */
.feedback-area {
  text-align: center;
  padding: 12px 0 0 0;
  display: none;
  margin-top: 20px;
}

.feedback-area.active {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: slideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

#btn-show-correct {
  display: none !important;
}

.feedback-text:empty {
  display: none;
}

.feedback-text.correct {
  color: var(--success);
}

.feedback-text.wrong {
  color: var(--danger);
}

.btn-show-correct {
  padding: 12px 24px;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--primary);
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-show-correct:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(108, 63, 197, 0.25);
}

.btn-next {
  padding: 12px 36px;
  border: none;
  border-radius: var(--radius);
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(108, 63, 197, 0.25);
}

.btn-next:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108, 63, 197, 0.35);
  filter: brightness(1.15);
}

/* ═══════════════════════════════
   12. REPORT MODAL
   ═══════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 10, 26, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
  animation: fadeIn 0.25s ease;
}

.modal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 460px;
  width: 90%;
  box-shadow:
    var(--shadow-hover),
    0 0 60px rgba(108, 63, 197, 0.08);
  animation: slideUp 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal h3 {
  color: var(--primary);
  margin-bottom: 18px;
  font-size: 1.15rem;
  font-weight: 800;
}

.modal textarea {
  width: 100%;
  min-height: 100px;
  padding: 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  resize: vertical;
  margin-bottom: 18px;
  transition: var(--transition);
}

.modal textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn-cancel {
  padding: 11px 22px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-cancel:hover {
  border-color: var(--text-light);
}

.btn-submit {
  padding: 11px 22px;
  border: none;
  border-radius: var(--radius);
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font);
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 12px rgba(108, 63, 197, 0.2);
}

.btn-submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(108, 63, 197, 0.3);
}

/* ═══════════════════════════════
   13. RESULTS OVERLAY
   ═══════════════════════════════ */
.results-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-body);
  z-index: 300;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 40px;
  overflow-y: auto;
  box-sizing: border-box;
}

.results-overlay.active {
  display: flex;
  animation: fadeIn 0.5s ease;
}

/* Espandi il card quando contiene il leaderboard gruppo */
.results-overlay:has(.lb-inner) {
  padding: 16px 12px;
  align-items: flex-start;
}

.results-card {
  text-align: center;
  max-width: 520px;
  width: 100%;
  margin: auto;
  position: relative;
  z-index: 10;
}

.results-card:has(.lb-inner) {
  max-width: min(1200px, 100%);
  margin: 0 auto;
}

.results-icon {
  width: 5rem !important;
  height: 5rem !important;
  display: block;
  margin: 0 auto 20px;
  animation: float 2s ease-in-out infinite;
  filter: var(--icon-filter) drop-shadow(0 4px 20px rgba(108, 63, 197, 0.3));
}

.results-card h2 {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
  filter: drop-shadow(0 4px 15px rgba(108, 63, 197, 0.25));
}

.results-card .results-msg {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.results-percentage {
  font-size: 4.5rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 28px;
  text-shadow: none;
  filter: drop-shadow(0 10px 25px rgba(108, 63, 197, 0.3));
}

.results-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 36px;
}

.stat-box {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: var(--transition);
}

.stat-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-box .stat-value {
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary);
  display: block;
}

.stat-box .stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 600;
}

.stat-box.correct {
  border-color: rgba(34, 197, 94, 0.2);
}
.stat-box.correct .stat-value {
  color: var(--success);
}

.stat-box.wrong {
  border-color: rgba(239, 68, 68, 0.2);
}
.stat-box.wrong .stat-value {
  color: var(--danger);
}

.stat-box.skipped {
  border-color: rgba(245, 158, 11, 0.2);
}
.stat-box.skipped .stat-value {
  color: var(--warning);
}

.results-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.share-home-row {
  display: flex;
  gap: 12px;
  width: 100%;
}

.share-home-row .btn-result {
  flex: 1;
}

.btn-result {
  padding: 14px 28px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-result.primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(108, 63, 197, 0.25);
}

.btn-result.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108, 63, 197, 0.35);
}

.btn-result.secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
}

.btn-result.secondary:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

/* ═══════════════════════════════
   14. FOOTER
   ═══════════════════════════════ */
.site-footer {
  text-align: center;
  padding: 10px 24px;
  margin-top: auto;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.footer-link {
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-light);
}

/* ═══════════════════════════════
   15. ADMIN LAYOUT
   ═══════════════════════════════ */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--gradient-sidebar);
  color: #fff;
  padding: 28px 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 50;
  overflow-y: auto;
  box-shadow: 4px 0 30px rgba(26, 13, 59, 0.25);
}

.admin-sidebar .admin-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 24px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 20px;
  font-weight: 900;
  font-size: 1.3rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.admin-sidebar .admin-logo .icon-img {
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(167, 139, 250, 0.5));
}

.admin-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 18px;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  text-decoration: none;
  border-radius: var(--radius);
  position: relative;
}

.admin-nav a .icon-img {
  filter: brightness(0) invert(1);
  opacity: 0.65;
  transition: var(--transition-fast);
}

.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.admin-nav a:hover .icon-img,
.admin-nav a.active .icon-img {
  opacity: 1;
}

.admin-nav a.active {
  background: rgba(167, 139, 250, 0.2);
  box-shadow: inset 3px 0 0 var(--primary-light);
}

.admin-content {
  flex: 1;
  margin-left: 260px;
  padding: 36px;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Sidebar Toggle & Collapsed State ── */
.sidebar-toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1000;
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(108, 63, 197, 0.4);
  align-items: center;
  justify-content: center;
  transition: var(--transition-spring);
}

.hamburger {
  width: 20px;
  height: 14px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: #fff;
  border-radius: 10px;
  transition: var(--transition);
}

@media screen and (max-width: 1024px) {
  .sidebar-toggle {
    display: flex;
  }

  .sidebar-collapsed .admin-sidebar {
    transform: translateX(-100%);
  }

  .sidebar-collapsed .admin-content {
    margin-left: 0 !important;
  }

  .sidebar-collapsed .sidebar-toggle {
    left: 20px;
  }

  /* Move toggle with sidebar */
  .admin-layout:not(.sidebar-collapsed) .sidebar-toggle {
    left: 275px;
  }

  .admin-sidebar {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.admin-header h1 {
  font-size: 1.6rem;
  color: var(--primary);
  font-weight: 800;
}

/* Admin page header */
.admin-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: nowrap;
  gap: 16px;
  min-width: 0;
}

.admin-page-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Admin alerts */
.admin-alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-weight: 600;
  font-size: 0.9rem;
  animation: slideUp 0.3s ease;
}

.admin-alert.success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.admin-alert.error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.admin-alert.warning {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Admin filter bar */
.admin-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-count {
  margin-left: auto;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--primary-bg);
  padding: 4px 12px;
  border-radius: 20px;
}

/* Admin empty state */
.admin-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}

/* Admin table wrap */
.admin-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-alt);
}

/* Dashboard cards */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.dash-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.dash-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.dash-card .dash-icon {
  margin-bottom: 10px;
}

.dash-card .dash-icon .icon-img {
  width: 1.8em;
  height: 1.8em;
}

.dash-card .dash-value {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 3px 6px rgba(108, 63, 197, 0.2));
}

.dash-card .dash-label {
  font-size: 0.82rem;
  color: var(--text-light);
  font-weight: 600;
  margin-top: 4px;
}

/* Stats summary (stats.php) */
.stats-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-card .stat-icon {
  margin-bottom: 8px;
}

.stat-card .stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 3px 6px rgba(108, 63, 197, 0.2));
}

.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--text-light);
  font-weight: 600;
  margin-top: 4px;
}

/* Admin card */
.admin-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.admin-card h2 {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Difficulty accuracy */
.difficulty-accuracy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.difficulty-accuracy-card {
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
}

.diff-header {
  margin-bottom: 12px;
}

.accuracy-circle {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color);
  background: conic-gradient(
    var(--color) calc(var(--accuracy) * 1%),
    var(--border) calc(var(--accuracy) * 1%)
  );
  position: relative;
}

.accuracy-circle::before {
  content: "";
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--bg-alt);
}

.accuracy-circle span {
  position: relative;
  z-index: 1;
}

.diff-stats {
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 600;
}

/* Chart container */
.chart-container {
  overflow-x: auto;
}

/* Admin tables */
.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: var(--primary-bg);
  color: var(--primary);
  font-weight: 700;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.admin-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: var(--primary-bg);
}

.admin-table tr.resolved-row td {
  opacity: 0.6;
}

.question-cell {
  min-width: 200px;
  max-width: 280px;
}

.question-thumb {
  width: 48px;
  height: 48px;
  min-width: 48px;
  object-fit: cover;
  border-radius: 12px;
  vertical-align: middle;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.report-comment {
  max-width: 250px;
  word-break: break-word;
}

.actions-cell {
  white-space: nowrap;
  vertical-align: middle;
}

.actions-cell-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
}

/* Admin forms */
.admin-form {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  max-width: 720px;
}

.admin-form.question-form {
  max-width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 4px;
}

.form-grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 0.9rem;
}

.form-group textarea,
.form-group select,
.form-group input[type="file"] {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
  resize: vertical;
}

.form-group input[type="file"] {
  padding: 8px;
  color: var(--text-light);
}

.form-group input[type="file"]::file-selector-button {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
  padding: 8px 16px;
  border-radius: calc(var(--radius) - 2px);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  margin-right: 16px;
}

.form-group input[type="file"]::file-selector-button:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-input,
.form-select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface);
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-actions {
  display: flex;
  gap: 10px;
}

/* Answer cards in admin form */
.answer-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
  padding: 20px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  transition: var(--transition-spring);
  position: relative;
}

.answer-row:hover {
  border-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* Correct answer state */
.answer-row.is-correct {
  border-color: var(--success);
  background: var(--success-bg);
}

.answer-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.answer-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.answer-label .answer-num {
  background: var(--primary-bg);
  color: var(--primary);
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.answer-row input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-alt);
  transition: var(--transition);
}

.answer-row input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-bg);
}

.answer-row-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Custom Checkbox as a Switch/Toggle */
.answer-correct-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-light);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1.5px solid var(--border);
  background: var(--bg-alt);
  transition: var(--transition);
}

.answer-correct-label:hover {
  border-color: var(--success);
  color: var(--success);
}

.answer-correct-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--success);
  cursor: pointer;
}

.answer-correct-label.active {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
  box-shadow: 0 4px 12px var(--success-bg);
}

.answer-correct-label.active input[type="checkbox"] {
  accent-color: #fff;
}

/* Remove button as an icon-only circular button */
.remove-answer-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--danger-bg);
  color: var(--danger);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.remove-answer-btn:hover {
  background: var(--danger);
  color: #fff;
  transform: rotate(90deg) scale(1.1);
}

.remove-answer-btn img {
  width: 18px;
  height: 18px;
  filter: none !important;
}

.remove-answer-btn:hover img {
  filter: brightness(0) invert(1) !important;
}

/* Add answer button */
.btn-add-wrapper {
  margin-top: 10px;
}

#addAnswerBtn {
  width: 100%;
  justify-content: center;
  padding: 16px;
  border: 2px dashed var(--border);
  background: var(--bg-body);
  color: var(--primary);
  font-weight: 700;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

#addAnswerBtn:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-2px);
}

/* Current image preview */
.current-image-preview {
  margin-top: 10px;
}

/* ═══════════════════════════════
   16. GENERAL BUTTONS
   ═══════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn.primary,
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 2px 10px rgba(108, 63, 197, 0.2);
}

.btn.primary:hover,
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(108, 63, 197, 0.3);
}

.btn.secondary,
.btn-secondary {
  background: var(--surface);
  color: var(--primary);
  border: 1.5px solid var(--border);
}

.btn.secondary:hover,
.btn-secondary:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.btn.danger,
.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1.5px solid var(--danger);
}

.btn.danger:hover,
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn.small,
.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
}

/* Filter bar (public admin) */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

/* ═══════════════════════════════
   17. BADGES
   ═══════════════════════════════ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-easy,
.badge-success {
  background: var(--success-bg);
  color: var(--success);
}
.badge-medium,
.badge-warning {
  background: var(--warning-bg);
  color: var(--warning);
}
.badge-hard {
  background: var(--danger-bg);
  color: var(--danger);
}
.badge-pending {
  background: var(--warning-bg);
  color: var(--warning);
}
.badge-resolved {
  background: var(--success-bg);
  color: var(--success);
}

/* Image preview */
.image-preview {
  max-width: 200px;
  max-height: 150px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: 8px;
}

/* ═══════════════════════════════
   18. ALERTS
   ═══════════════════════════════ */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-weight: 600;
  font-size: 0.9rem;
}

.alert-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ═══════════════════════════════
   19. LOGIN PAGE
   ═══════════════════════════════ */
.login-container {
  max-width: 500px;
  margin: 80px auto;
  padding: 50px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-hover);
  position: relative;
  overflow: hidden;
}

/* Decorative glow behind login */
.login-container::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(108, 63, 197, 0.06) 0%,
    transparent 50%
  );
  pointer-events: none;
}

.login-container h1 {
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 1.6rem;
  font-weight: 900;
  position: relative;
}

.login-icon {
  width: 4rem !important;
  height: 4rem !important;
  display: block;
  margin: 0 auto 16px;
  filter: var(--icon-filter) drop-shadow(0 4px 16px var(--primary-glow));
  position: relative;
}

/* ═══════════════════════════════
   20. CHART (Admin)
   ═══════════════════════════════ */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.chart-card h3 {
  color: var(--primary);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
}

/* Bar chart (horizontal) */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bar-chart.vertical {
  flex-direction: row;
  align-items: flex-end;
  justify-content: flex-start;
  padding-top: 35px;
  gap: 12px;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-label {
  width: 110px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  text-align: right;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.bar-track {
  flex: 1;
  height: 26px;
  background: var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 14px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding-left: 10px;
  font-size: 0.75rem;
  color: #fff;
  font-weight: 700;
  min-width: fit-content;
}

/* Vertical bar chart (stats page) */
.bar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  flex: 0 0 auto;
  min-width: 45px;
  height: 100%;
}

.bar-item .bar-fill {
  width: 100%;
  max-width: 32px;
  border-radius: 6px 6px 0 0;
  background: var(--gradient-primary);
  transition: height 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  min-height: 4px;
}

.bar-value {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--primary);
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
}

.bar-item .bar-label {
  width: auto;
  text-align: center;
  font-size: 0.65rem;
  margin-top: 6px;
}

/* Table scroll */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* ═══════════════════════════════
   21. CONFETTI CANVAS
   ═══════════════════════════════ */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* ═══════════════════════════════
   22. ANIMATIONS
   ═══════════════════════════════ */
@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(108, 63, 197, 0.35);
  }
  50% {
    box-shadow:
      0 4px 20px rgba(108, 63, 197, 0.35),
      0 0 0 12px rgba(108, 63, 197, 0);
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(108, 63, 197, 0.35);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(108, 63, 197, 0);
  }
}

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

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

@keyframes bounceIn {
  0% {
    transform: scale(0.85);
    opacity: 0;
  }
  50% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-8px);
  }
  40% {
    transform: translateX(8px);
  }
  60% {
    transform: translateX(-4px);
  }
  80% {
    transform: translateX(4px);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    left: -60%;
  }
  50%,
  100% {
    left: 120%;
  }
}

@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes glow-pulse {
  0%,
  100% {
    filter: drop-shadow(0 0 8px var(--primary-glow));
  }
  50% {
    filter: drop-shadow(0 0 20px var(--primary-glow));
  }
}

/* ═══════════════════════════════
   23. UTILITIES
   ═══════════════════════════════ */
.text-center {
  text-align: center;
}

/* ═══════════════════════════════
   24. RESULTS — VIEWPORT-HEIGHT RESPONSIVE
   Shrink typography and spacing on short windows so the results card
   always fits (or at least scrolls gracefully) without overflow.
   ═══════════════════════════════ */
@media (max-height: 750px) {
  .results-overlay {
    padding: 24px 40px;
  }
  .results-percentage {
    font-size: 3.4rem;
    margin-bottom: 20px;
  }
  .results-card h2 {
    font-size: 1.9rem;
  }
  .results-card .results-msg {
    margin-bottom: 20px;
  }
  .results-stats {
    gap: 12px;
  }
}

/* Add specialized height-based scaling for desktop */
@media (min-width: 769px) and (max-height: 850px) {
  .results-card {
    transform: scale(0.9);
    margin: auto;
  }
}
@media (min-width: 769px) and (max-height: 750px) {
  .results-card {
    transform: scale(0.85);
  }
  .results-overlay {
    padding: 20px;
  }
}
@media (min-width: 769px) and (max-height: 650px) {
  .results-card {
    transform: scale(0.75);
  }
}

@media (max-height: 620px) {
  .results-overlay {
    padding: 16px 40px;
  }
  .results-icon {
    width: 3.5rem !important;
    height: 3.5rem !important;
    margin-bottom: 12px;
  }
  .results-percentage {
    font-size: 2.6rem;
    margin-bottom: 14px;
  }
  .results-card h2 {
    font-size: 1.6rem;
    margin-bottom: 4px;
  }
  .results-card .results-msg {
    font-size: 0.95rem;
    margin-bottom: 14px;
  }
  .results-stats {
    gap: 8px;
    margin-bottom: 16px;
  }
  .stat-box {
    padding: 12px 10px;
  }
  .stat-box .stat-value {
    font-size: 1.6rem;
  }
  .results-actions {
    gap: 8px;
  }
  .btn-result {
    padding: 10px 20px;
    font-size: 0.92rem;
  }
}

@media (max-height: 480px) {
  .results-overlay {
    padding: 10px 40px;
  }
  .results-icon {
    width: 2.5rem !important;
    height: 2.5rem !important;
    margin-bottom: 6px;
  }
  .results-percentage {
    font-size: 2rem;
    margin-bottom: 8px;
  }
  .results-card h2 {
    font-size: 1.3rem;
  }
  .results-card .results-msg {
    font-size: 0.88rem;
    margin-bottom: 10px;
  }
  .results-stats {
    gap: 6px;
    margin-bottom: 10px;
  }
  .stat-box {
    padding: 8px;
  }
  .stat-box .stat-value {
    font-size: 1.3rem;
  }
  .stat-box .stat-label {
    font-size: 0.75rem;
  }
}
/* ── Questions Controls (search + pills) ─── */
.qs-controls {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

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

.qs-search-input {
  width: 100%;
  padding: 11px 18px 11px 44px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  outline: none;
  box-sizing: border-box;
}

.qs-search-input:focus {
  border-color: var(--primary);
  background: var(--bg-alt);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.qs-search-input::placeholder {
  color: var(--text-muted);
  font-weight: 500;
}

.qs-search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  opacity: 0.45;
  pointer-events: none;
}

.qs-filter-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.qs-filter-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.qs-pill {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text-light);
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.84rem;
  text-decoration: none;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

.qs-pill:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-bg);
  transform: translateY(-1px);
}

.qs-pill.active {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.qs-pill.easy.active {
  background: var(--success);
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.3);
}
.qs-pill.medium.active {
  background: var(--warning);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}
.qs-pill.hard.active {
  background: var(--danger);
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.3);
}

.qs-count {
  margin-left: auto;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--primary-bg);
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid var(--border);
}

/* Question cell flex layout */
.question-cell-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.question-thumb-placeholder {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: var(--primary-bg);
  border: 1px dashed var(--border-hover);
  display: flex;
  align-items: center;
  justify-content: center;
}

.question-cell-text {
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-width: 0;
}

/* Square icon-only action buttons normalized */
.actions-cell .btn.small.icon-only {
  width: 42px !important;
  height: 42px !important;
  min-width: 42px !important;
  padding: 0 !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  box-sizing: border-box !important;
  border: 1.5px solid transparent !important;
  margin: 0 !important;
}

.actions-cell .btn.danger.icon-only {
  border: 1.5px solid var(--danger) !important;
  background: var(--danger-bg) !important;
}

.actions-cell .btn.primary.icon-only {
  background: var(--gradient-primary) !important;
  border: 1.5px solid transparent !important;
}

.actions-cell .btn.small.icon-only .icon-img {
  width: 20px;
  height: 20px;
  margin: 0;
}

/* Row highlight */
.admin-table tbody tr {
  transition: var(--transition-fast);
}

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

/* No-results row */
.admin-table-empty-row td {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.mt-20 {
  margin-top: 20px;
}
.mb-20 {
  margin-bottom: 20px;
}
.hidden {
  display: none !important;
}

/* ============================
   Stats Premium Filter
   ============================ */
.stats-header-flex {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.stats-date-filter {
  margin: 0;
}
.filter-glass-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  padding: 6px 6px 6px 12px;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.filter-glass-pill:hover {
  box-shadow: var(--shadow);
  border-color: var(--border-hover);
}
.filter-glass-pill .form-select.filter-select {
  width: auto;
  border: none;
  background: transparent;
  padding: 8px 30px 8px 12px;
  height: auto;
  font-weight: 700;
  cursor: pointer;
  border-radius: var(--radius-xl);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  color: var(--text);
}
.filter-glass-pill .form-select.filter-select:focus {
  box-shadow: inset 0 0 0 2px var(--primary);
  background-color: var(--surface);
}
.custom-dates-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 100px;
  padding: 4px 12px;
}
@media (prefers-color-scheme: dark) {
  .custom-dates-wrapper {
    background: rgba(0, 0, 0, 0.2);
  }
}
.filter-glass-pill .form-input.filter-date {
  width: auto;
  border: none;
  background: transparent;
  padding: 6px 8px;
  height: auto;
  font-weight: 600;
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.85rem;
}
.filter-glass-pill .form-input.filter-date:focus {
  box-shadow: inset 0 0 0 2px var(--primary);
}
.date-sep {
  color: var(--text-muted);
  font-weight: 800;
}
.filter-submit {
  height: 38px;
  padding: 0 20px;
  border-radius: 100px;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  box-shadow: 0 2px 10px rgba(108, 63, 197, 0.2);
}
/* ============================
   Ottimizzazione Mobile Landscape
   ============================ */
@media (max-height: 580px) and (min-width: 769px) {
  main {
    padding: 8px 16px;
  }
  .quiz-main-split {
    gap: 12px;
  }
  .quiz-image-panel {
    flex: 0 0 50%;
    padding: 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .question-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: var(--radius-lg);
  }
  .question-card {
    padding: 16px;
    gap: 12px;
    background: transparent;
    border: none;
    backdrop-filter: none;
    box-shadow: none;
  }
  .question-text {
    font-size: 1.4rem;
    line-height: 1.2;
  }
  .answers-grid {
    gap: 8px;
  }
  .answer-btn {
    padding: 12px 10px;
    font-size: 0.95rem;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.15);
  }
  .quiz-progress {
    margin-top: 4px;
  }

  /* Vote row — compatto in landscape */
  .quiz-vote-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-shrink: 0;
    padding: 2px 0;
  }
  .vote-btn {
    width: 46px;
    height: 46px;
    border-radius: 13px;
  }
  .vote-btn-like {
  }
  .vote-btn-like .icon-img {
    filter: brightness(0) saturate(100%) invert(62%) sepia(54%) saturate(500%)
      hue-rotate(95deg) brightness(1.1);
  }
  .vote-btn-dislike {
  }
  .vote-btn-dislike .icon-img {
    filter: brightness(0) saturate(100%) invert(45%) sepia(80%) saturate(600%)
      hue-rotate(337deg) brightness(1.1);
  }
  .vote-btns {
    display: none;
  }
  .quiz-vote-row {
    display: none !important;
  }

  /* Toolbar — glassmorphism, 5 colonne */
  .quiz-toolbar {
    margin-top: 4px;
    gap: 5px;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    padding: 6px 8px;
    background: rgba(26, 17, 40, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(167, 139, 250, 0.12);
    border-radius: 18px;
  }
  .toolbar-btn {
    flex: 1;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 4px;
    font-size: 0.55rem;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: #ffffff;
  }
  .toolbar-btn .icon-img {
    width: 1.3em;
    height: 1.3em;
    filter: brightness(0) saturate(100%) invert(75%) sepia(30%) saturate(600%)
      hue-rotate(295deg) brightness(1.1);
  }
  .toolbar-btn span {
    color: #ffffff;
    font-size: 0.55rem;
    white-space: normal;
    text-align: center;
    line-height: 1.1;
    max-width: 40px;
    word-break: break-word;
  }
  .toolbar-btn.active,
  .toolbar-btn.voted {
    background: rgba(108, 63, 197, 0.2);
    border-color: rgba(108, 63, 197, 0.4);
  }
  .toolbar-btn.active .icon-img,
  .toolbar-btn.voted .icon-img {
    filter: brightness(0) saturate(100%) invert(75%) sepia(30%) saturate(600%)
      hue-rotate(295deg) brightness(1.1) brightness(1.3);
  }
  .toolbar-btn.active span,
  .toolbar-btn.voted span {
    color: #c4b5fd;
  }
  .toolbar-divider {
    display: none;
  }

  .site-footer,
  .top-bar {
    display: none !important;
  }
}

/* ═══════════════════════════════
   PWA INSTALL TOP BANNER
   ═══════════════════════════════ */
#pwa-install-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99999;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity 0.35s ease,
    visibility 0.35s ease;
}

#pwa-install-banner.show {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.pwa-banner-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--gradient-primary);
  box-shadow: 0 4px 20px rgba(108, 63, 197, 0.35);
}

.pwa-banner-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
  filter: none !important;
}

.pwa-banner-text {
  flex: 1;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pwa-banner-btn-install {
  flex-shrink: 0;
  padding: 7px 18px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 50px;
  color: #fff;
  font-family: var(--font);
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition:
    background 0.2s ease,
    transform 0.15s ease;
}

.pwa-banner-btn-install:hover {
  background: rgba(255, 255, 255, 0.35);
}

.pwa-banner-btn-install:active {
  transform: scale(0.95);
}

.pwa-banner-btn-close {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease;
  padding: 0;
}

.pwa-banner-btn-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.pwa-close-icon {
  width: 14px;
  height: 14px;
  filter: brightness(0) invert(1);
}

/* ═══════════════════════════════
   SMARTPHONE LANDSCAPE FIX (For wide mobile screens)
   Applies when width > 768px but height is small (like a phone horizontally)
   ═══════════════════════════════ */
@media (max-height: 600px) and (orientation: landscape) {
  main {
    padding: 4px 8px !important;
    height: 100dvh;
    overflow: hidden;
  }
  .quiz-container {
    gap: 4px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .quiz-main-split {
    display: block;
    height: 100%;
    width: 100%;
    position: relative;
  }
  .quiz-image-panel {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    border-radius: 20px;
    overflow: hidden;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    z-index: 0;
    max-width: none;
    flex: none;
  }
  .question-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    border-radius: 20px !important;
  }
  .quiz-question-panel {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50%;
    max-width: 400px;
    z-index: 10;
    background: linear-gradient(
      90deg,
      rgba(15, 10, 26, 0) 0%,
      rgba(15, 10, 26, 0.8) 20%,
      rgba(15, 10, 26, 0.95) 100%
    );
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    border-radius: 0 20px 20px 0;
  }
  .question-card {
    padding: 0;
    gap: 12px;
    flex: 0 1 auto;
    background: transparent !important;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .question-text {
    font-size: 1.4rem;
    margin-bottom: 12px;
    line-height: 1.2;
  }
  .answers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    width: 100%;
  }
  .answer-btn {
    padding: 10px 16px;
    min-height: 60px;
    font-size: 1.15rem;
  }
  .quiz-vote-row {
    display: none !important;
  }
  .quiz-progress {
    margin: 4px 0 0;
    padding: 4px 8px;
    gap: 8px;
    flex-shrink: 0;
  }
  .quiz-progress-text {
    font-size: 0.85rem;
  }
  .quiz-toolbar {
    padding: 8px 12px;
    gap: 8px;
    flex-shrink: 0;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 16px;
    display: flex !important;
  }
  #btn-like-toolbar,
  #btn-dislike-toolbar {
    display: flex !important;
  }
  .toolbar-btn {
    padding: 4px 2px;
    border-radius: 8px;
  }
  .toolbar-btn span {
    display: none;
  }
  .toolbar-btn .icon-img {
    width: 2.2em;
    height: 2.2em;
  }
  .site-footer,
  .top-bar {
    display: none !important;
  }

  /* Schermo Intero Immersivo in Landscape */
  body.quiz-fullscreen main {
    padding: 0 !important;
  }
  body.quiz-fullscreen .quiz-container {
    gap: 0;
    padding: 0;
    height: 100dvh;
    position: relative;
  }
  body.quiz-fullscreen .quiz-main-split {
    border-radius: 0;
  }
  body.quiz-fullscreen .quiz-image-panel {
    border-radius: 0;
  }
  body.quiz-fullscreen .question-image {
    border-radius: 0 !important;
  }
  body.quiz-fullscreen .quiz-question-panel {
    border-radius: 0;
  }
  body.quiz-fullscreen .quiz-progress {
    position: absolute;
    bottom: 74px;
    left: 10px;
    right: 10px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
    border-radius: 10px;
    padding: 4px 10px;
  }
  body.quiz-fullscreen .quiz-toolbar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 101;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    margin-bottom: 0;
    border-radius: 0;
    padding: 10px;
  }
}

/* ═══════════════════════════════
   24. QUIZ SETTINGS SECTION
   ═══════════════════════════════ */
.settings-section {
  max-width: 720px;
  margin: 0 auto 10px;
  padding: 0;
}

.settings-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: max-content;
  margin: 0 auto;
  padding: 14px 28px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.settings-toggle:hover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.settings-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.8rem;
}

.settings-body {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  margin-top: 8px;
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.settings-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.settings-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light);
}

.settings-field select {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6080' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.settings-field select:hover {
  border-color: var(--border-hover);
}

.settings-field select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.settings-input-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.settings-input-row select {
  flex: 1;
}

.settings-preview-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color 0.2s,
    background 0.2s;
}

.settings-preview-btn:hover {
  border-color: var(--primary);
  background: var(--primary-glow);
}

.settings-preview-btn .icon-img {
  width: 18px;
  height: 18px;
  filter: var(--icon-filter, none);
}

.settings-field-duration {
  grid-column: 1 / -1;
  max-width: 280px;
  justify-self: center;
  width: 100%;
}

/* ── Inline file input for custom sounds ── */
.settings-file-input {
  font-size: 0.75rem;
  padding: 4px 6px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  max-width: 140px;
}

/* ═══════════════════════════════
   25. DUO CARDS SECTION (Suggest + FAQ)
   ═══════════════════════════════ */
.cards-duo-section {
  max-width: 720px;
  margin: 40px auto 20px;
  padding: 0;
}

.cards-duo-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: stretch;
}

.duo-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: var(--transition);
}

.duo-card-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.duo-card-link:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.duo-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.duo-card-content h3 {
  color: var(--primary);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.duo-card-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 20px;
  line-height: 1.5;
}

.duo-card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  padding: 10px 20px;
  text-decoration: none;
}

/* ═══════════════════════════════
   TOUCH DEVICE OPTIMIZATION (NO HOVER CAPABILITY)
   ═══════════════════════════════ */
@media (hover: none) {
  /* Disable hover effects on pure touch devices */
  button:hover,
  a:hover {
    transform: none;
  }

  /* Ensure :active works properly on touch */
  button:active,
  .vote-btn:active,
  .toolbar-btn:active,
  .answer-btn:active {
    outline: 2px solid rgba(167, 139, 250, 0.4);
    outline-offset: 2px;
  }
}

/* ============================
   NEW LEADERBOARD (HOST/MULTI)
   ============================ */
#leaderboard-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 5, 25, 0.92);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: var(--font, "Outfit", sans-serif);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  overflow-y: auto;
}
#leaderboard-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.lb-inner {
  width: 100%;
  max-width: 1200px;
  height: 95vh;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 10;
  padding: 10px 20px;
  overflow: hidden;
}
.lb-inner.lb-split {
  max-width: 1400px;
}
.lb-header-full {
  width: 100%;
  flex-shrink: 0;
}
.lb-footer-full {
  width: 100%;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  padding-top: 10px;
}

.lb-content-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 40px);
  min-height: 0;
  overflow: hidden;
}
.lb-podium-section {
  flex: 1;
  min-width: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 10px;
  min-height: 0;
  overflow: hidden;
}
.lb-rest-section {
  flex: 1;
  min-width: 300px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  min-height: 0;
}
.lb-rest {
  flex: 0 1 auto;
  max-height: 100%;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* Scrollbar per lb-rest */
.lb-rest::-webkit-scrollbar {
  width: 6px;
}
.lb-rest::-webkit-scrollbar-track {
  background: transparent;
}
.lb-rest::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

.lb-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  background: linear-gradient(135deg, #f1c40f, #e67e22, #e74c3c);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0 0 10px 0;
  text-align: center;
  filter: drop-shadow(0 4px 15px rgba(241, 196, 15, 0.3));
}

.lb-podium {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
}
.lb-podium-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  animation: lbFadeInUp 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.lb-avatar {
  width: clamp(60px, 10vh, 110px);
  height: clamp(60px, 10vh, 110px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(1.2rem, 3vh, 2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: clamp(6px, 1.5vh, 15px);
  position: relative;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border: 4px solid rgba(255, 255, 255, 0.1);
  padding: 6px;
  box-sizing: border-box;
  flex-shrink: 0;
}
.lb-podium-first .lb-avatar {
  width: clamp(90px, 14vh, 160px);
  height: clamp(90px, 14vh, 160px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  border-color: #f1c40f;
}
.lb-medal {
  position: absolute;
  bottom: -10px;
  right: -4px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: bold;
  color: #000;
  border: 2px solid #fff;
  z-index: 2;
}

.lb-score-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 4px;
}
.lb-score {
  font-size: clamp(1.2rem, 3vh, 1.8rem);
  font-weight: 900;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}
.lb-podium-first .lb-score {
  font-size: clamp(1.5rem, 4vh, 2.5rem);
  color: #f1c40f;
}

.lb-delta-badge {
  background: var(--success);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: 20px;
  transform: translateY(10px) scale(0.5);
  opacity: 0;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 10px rgba(34, 197, 94, 0.3);
}
.lb-delta-badge.zero {
  background: var(--danger);
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.3);
}

.lb-name {
  font-size: clamp(0.9rem, 2.2vh, 1.4rem);
  font-weight: 700;
  margin-bottom: clamp(6px, 1.5vh, 15px);
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
.lb-podium-first .lb-name {
  font-size: clamp(1rem, 2.8vh, 1.8rem);
  max-width: 180px;
}

.lb-bar {
  width: clamp(70px, 9vw, 120px);
  border-radius: 16px 16px 0 0;
  transform-origin: bottom;
  animation: lbBarGrow 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}
.lb-podium-first .lb-bar {
  width: clamp(90px, 11vw, 150px);
}

/* Modalità finale: barre più basse, font ridotti */
.lb-final {
  height: auto !important;
  max-height: none !important;
  padding: 0 !important;
}
.lb-final .lb-avatar {
  width: clamp(50px, 8vh, 90px) !important;
  height: clamp(50px, 8vh, 90px) !important;
  margin-bottom: clamp(4px, 1vh, 10px) !important;
}
.lb-final .lb-podium-first .lb-avatar {
  width: clamp(70px, 11vh, 130px) !important;
  height: clamp(70px, 11vh, 130px) !important;
}
.lb-final .lb-name {
  font-size: clamp(0.8rem, 1.8vh, 1.2rem) !important;
  margin-bottom: clamp(4px, 1vh, 10px) !important;
}
.lb-final .lb-podium-first .lb-name {
  font-size: clamp(0.9rem, 2.2vh, 1.5rem) !important;
}
.lb-final .lb-score {
  font-size: clamp(1rem, 2.5vh, 1.6rem) !important;
}
.lb-final .lb-podium-first .lb-score {
  font-size: clamp(1.2rem, 3vh, 2rem) !important;
}
.lb-final .lb-title {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  margin-bottom: 10px;
}
.lb-final .lb-content-wrap {
  flex-wrap: wrap;
  overflow: visible;
  justify-content: center;
}

.lb-row {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition:
    transform 0.3s,
    background 0.3s;
}
.lb-row:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(5px);
}
.lb-row-rank {
  width: 35px;
  font-weight: 800;
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.4);
}
.lb-row-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  margin-right: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  padding: 4px;
  box-sizing: border-box;
}
.lb-row-name {
  flex: 1;
  font-weight: 600;
  font-size: 1.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lb-row-score-group {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lb-row-score {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary-light);
}

.lb-continue-btn {
  padding: 18px 50px;
  border-radius: 50px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  font-size: 1.4rem;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 15px;
  box-shadow: 0 10px 30px rgba(108, 63, 197, 0.4);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.lb-continue-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 40px rgba(108, 63, 197, 0.6);
}

@keyframes lbFadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes lbBarGrow {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

/* Responsive: viewport piccolo o tablet */
@media (max-width: 1024px) {
  .lb-content-wrap {
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
  }
  .lb-podium-section {
    flex: none;
    width: 100%;
    padding-bottom: 0;
  }
  .lb-rest-section {
    flex: none;
    width: 100%;
    height: auto;
    max-height: 35vh;
  }
  .lb-inner {
    height: auto;
    max-height: 95vh;
  }
}

/* Viewport molto basso (es. 720p con toolbar browser) */
@media (max-height: 700px) {
  .lb-inner {
    height: 100vh;
    max-height: 100vh;
    padding: 6px 16px;
  }
  .lb-title {
    font-size: clamp(1.2rem, 3vw, 2rem);
    margin-bottom: 4px;
  }
  .lb-avatar {
    width: clamp(48px, 8vh, 80px) !important;
    height: clamp(48px, 8vh, 80px) !important;
    margin-bottom: 4px !important;
  }
  .lb-podium-first .lb-avatar {
    width: clamp(65px, 11vh, 110px) !important;
    height: clamp(65px, 11vh, 110px) !important;
  }
  .lb-name {
    font-size: clamp(0.75rem, 1.8vh, 1.1rem) !important;
    margin-bottom: 4px !important;
  }
  .lb-score {
    font-size: clamp(0.9rem, 2vh, 1.4rem) !important;
  }
  .lb-podium-first .lb-score {
    font-size: clamp(1rem, 2.5vh, 1.8rem) !important;
  }
  .lb-content-wrap {
    gap: 12px;
  }
  .lb-footer-full {
    padding-top: 6px;
  }
  .lb-continue-btn {
    padding: 12px 30px;
    font-size: 1.1rem;
  }
  .results-overlay:has(.lb-inner) {
    padding: 8px;
  }
}

/* ═══════════════════════════════
   26. FAQ SECTION / PAGE
   ═══════════════════════════════ */
.faq-section {
  max-width: 720px;
  margin: 40px auto;
  padding: 0 16px;
}

.faq-page-section {
  max-width: 760px;
  margin: 20px auto 40px;
}

.faq-hero {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 10px;
  text-align: center;
}

.faq-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 20px;
  transition: color 0.2s;
}

.faq-back-link:hover {
  color: var(--primary);
}

.faq-hero h1 {
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.faq-hero-sub {
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.faq-page-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-page-cta {
  text-align: center;
  margin-top: 40px;
  padding: 30px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
}

.faq-page-cta p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.faq-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-container h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.faq-subtitle {
  text-align: center;
  font-size: 1rem;
  color: var(--text-light);
  margin-bottom: 32px;
}

.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
}

.faq-card:hover {
  transform: translateY(-2px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
}

.faq-question-btn {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}

.faq-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-bg);
  color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-icon {
  width: 16px;
  height: 16px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-card.open {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-hover);
}

.faq-card.open .faq-icon-wrapper {
  background: var(--primary);
  color: #ffffff;
}

.faq-card.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-content {
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================ */