/* =============================================
   MBTI Test - Modern Theme
   Design: Dark glassmorphism + neon accents
   ============================================= */

/* ---------- Google Fonts Import ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #070b1a;
  --bg-secondary: #0d1128;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.09);

  --color-primary: #667eea;
  --color-secondary: #764ba2;
  --color-accent-cyan: #4facfe;
  --color-accent-pink: #f093fb;
  --color-accent-green: #43e97b;
  --color-accent-orange: #fa8231;

  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-cyan: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-pink: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-green: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  --gradient-orange: linear-gradient(135deg, #fa8231 0%, #f7b733 100%);
  --gradient-dark: linear-gradient(135deg, #0d1128 0%, #181f3a 100%);

  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-glass: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(102, 126, 234, 0.4);

  --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);
  --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-neon-cyan: 0 0 20px rgba(79, 172, 254, 0.5);
  --shadow-neon-pink: 0 0 20px rgba(240, 147, 251, 0.5);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;
  --transition-slow: 0.6s ease;

  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Starfield Background ---------- */
.starfield {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  background: var(--bg-primary);
  overflow: hidden;
}

.starfield::before,
.starfield::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(2px 2px at 20% 90%, rgba(102,126,234,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 30%, rgba(79,172,254,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 80% 70%, rgba(240,147,251,0.5) 0%, transparent 100%);
  animation: starfieldDrift 80s linear infinite;
}

.starfield::after {
  background-image:
    radial-gradient(1px 1px at 15% 55%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 45% 25%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(2px 2px at 75% 15%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 75%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 55% 85%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 50%, rgba(102,126,234,0.5) 0%, transparent 100%),
    radial-gradient(2px 2px at 35% 45%, rgba(67,233,123,0.4) 0%, transparent 100%);
  animation-duration: 120s;
  animation-direction: reverse;
}

@keyframes starfieldDrift {
  from { transform: translate(0, 0) rotate(0deg); }
  to   { transform: translate(-10%, -10%) rotate(5deg); }
}

/* Ambient glow orbs */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.15;
  pointer-events: none;
  z-index: -1;
  animation: orbFloat 15s ease-in-out infinite alternate;
}

.bg-orb-1 {
  width: 500px; height: 500px;
  background: var(--color-primary);
  top: -100px; left: -100px;
}

.bg-orb-2 {
  width: 400px; height: 400px;
  background: var(--color-accent-cyan);
  bottom: -80px; right: 10%;
  animation-delay: -5s;
}

.bg-orb-3 {
  width: 300px; height: 300px;
  background: var(--color-accent-pink);
  top: 40%; left: 60%;
  animation-delay: -10s;
}

@keyframes orbFloat {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, 30px) scale(1.1); }
}

/* ---------- Navbar ---------- */
.modern-nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 9999;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 11, 26, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition-normal);
}

.modern-nav .nav-brand {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  letter-spacing: 0.05em;
}

.modern-nav .nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.modern-nav .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding-bottom: 4px;
}

.modern-nav .nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.modern-nav .nav-links a:hover {
  color: var(--text-primary);
}

.modern-nav .nav-links a:hover::after {
  width: 100%;
}

/* Hamburger for mobile */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ---------- Glass Card ---------- */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

/* ---------- Gradient Buttons ---------- */
.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  background: var(--gradient-primary);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary-glow:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.7);
}

.btn-primary-glow:hover::before {
  opacity: 1;
}

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

.btn-outline-glow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  background: transparent;
  color: var(--color-accent-cyan);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--color-accent-cyan);
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-outline-glow:hover {
  background: rgba(79, 172, 254, 0.1);
  box-shadow: var(--shadow-neon-cyan);
  color: var(--color-accent-cyan);
}

/* ---------- Progress Bar ---------- */
.progress-container {
  position: fixed;
  top: 64px; left: 0;
  width: 100%;
  height: 3px;
  background: rgba(255,255,255,0.08);
  z-index: 9998;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-cyan);
  border-radius: 0 2px 2px 0;
  transition: width 0.4s ease;
  box-shadow: 0 0 10px rgba(79, 172, 254, 0.6);
}

.progress-label {
  position: fixed;
  top: 70px;
  right: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  z-index: 9998;
  font-weight: 500;
}

/* ---------- Section Layout ---------- */
.page-wrapper {
  min-height: 100vh;
  padding-top: 64px;
}

.content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.content-wrapper-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

/* ---------- Hero Section ---------- */
.hero-section {
  min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 1.5rem;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  animation: fadeDown 0.6s ease both;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.2rem;
  animation: fadeDown 0.7s ease 0.1s both;
}

.hero-title .gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-title .gradient-text-cyan {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  font-weight: 400;
  line-height: 1.7;
  animation: fadeDown 0.7s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeDown 0.7s ease 0.3s both;
}

/* ---------- Info Cards ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 2.5rem 0;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-normal);
}

.info-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.info-card .icon {
  font-size: 1.8rem;
  margin-bottom: 0.8rem;
}

.info-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.info-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---------- Notice/Alert ---------- */
.notice-card {
  background: rgba(102, 126, 234, 0.08);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.8rem;
  margin: 2rem 0;
}

.notice-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.notice-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 0.5rem;
}

.notice-card p:last-child { margin-bottom: 0; }

/* ---------- Question UI ---------- */
.question-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-card);
  animation: questionIn 0.4s ease;
  max-width: 720px;
  margin: 0 auto;
}

@keyframes questionIn {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.question-number {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(102, 126, 234, 0.12);
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.question-text {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 2rem;
}

.choice-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.choice-item {
  position: relative;
}

.choice-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}

.choice-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.4rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
}

.choice-label .choice-dot {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-glass);
  border-radius: 50%;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.choice-label:hover {
  background: rgba(102, 126, 234, 0.1);
  border-color: var(--color-primary);
  color: var(--text-primary);
}

.choice-label:hover .choice-dot {
  border-color: var(--color-primary);
}

.choice-item input:checked + .choice-label {
  background: rgba(102, 126, 234, 0.15);
  border-color: var(--color-primary);
  color: var(--text-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.choice-item input:checked + .choice-label .choice-dot {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.choice-item input:checked + .choice-label .choice-dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
}

/* ---------- Personalities Grid ---------- */
.personalities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0;
}

.personality-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: all var(--transition-normal);
  display: block;
  position: relative;
}

.personality-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 0;
}

.personality-card:hover {
  transform: translateY(-6px);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.personality-card:hover::before {
  opacity: 0.07;
}

.personality-card .card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  position: relative;
  z-index: 1;
}

.personality-card .type-code {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.2rem;
}

.personality-card .type-name {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.personality-card .card-body {
  padding: 1.2rem 1.5rem 1.5rem;
  position: relative;
  z-index: 1;
}

.personality-card .card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.personality-card .card-footer {
  padding: 0.8rem 1.5rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* Type group colors */
.personality-card[data-group="analyst"]   .type-code { background: var(--gradient-cyan); -webkit-background-clip: text; background-clip: text; }
.personality-card[data-group="diplomat"]  .type-code { background: var(--gradient-green); -webkit-background-clip: text; background-clip: text; }
.personality-card[data-group="sentinel"]  .type-code { background: var(--gradient-orange); -webkit-background-clip: text; background-clip: text; }
.personality-card[data-group="explorer"]  .type-code { background: var(--gradient-pink); -webkit-background-clip: text; background-clip: text; }

/* ---------- Article (Personality Detail) ---------- */
.article-hero {
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  padding: 3rem 1.5rem 2.5rem;
  position: relative;
  overflow: hidden;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0.15;
}

.article-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--bg-primary) 100%);
}

.article-hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.personality-type-badge {
  display: inline-block;
  font-size: 4rem;
  font-weight: 900;
  color: #fff;
  /* color overridden per-page via inline style; shadow set together */
  text-shadow: 0 0 40px rgba(102,126,234,.55), 0 2px 8px rgba(0,0,0,.4);
  line-height: 1;
  margin-bottom: 0.3rem;
  letter-spacing: .06em;
}

.personality-type-name {
  font-size: 1.3rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.article-content-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

.article-content-wrapper h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 2.5rem 0 1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--color-primary);
}

.article-content-wrapper p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.2rem;
}

.article-content-wrapper strong {
  color: var(--text-primary);
}

/* ---------- Scroll Back Button ---------- */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  margin-bottom: 1.5rem;
}

.back-btn:hover {
  color: var(--text-primary);
  border-color: var(--color-primary);
  background: rgba(102, 126, 234, 0.08);
}

/* ---------- Section Divider ---------- */
.section-divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
  margin: 1rem 0 1.5rem;
}

/* ---------- Scroll Top Button ---------- */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.5);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.7);
}

/* ---------- Animations ---------- */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(102,126,234,0.3); }
  50%       { box-shadow: 0 0 40px rgba(102,126,234,0.6); }
}

.animate-fadeUp  { animation: fadeUp 0.6s ease both; }
.animate-fadeIn  { animation: fadeIn 0.5s ease both; }

/* Stagger helpers */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ---------- Typography Helpers ---------- */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-cyan {
  background: var(--gradient-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted    { color: var(--text-muted); }
.text-secondary{ color: var(--text-secondary); }

/* ---------- Filter Tabs ---------- */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.filter-tab {
  padding: 0.45rem 1.2rem;
  border: 1px solid var(--border-glass);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.filter-tab:hover,
.filter-tab.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(102, 126, 234, 0.1);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .modern-nav .nav-links {
    display: none;
    position: fixed;
    top: 64px; left: 0;
    width: 100%;
    background: rgba(7, 11, 26, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    gap: 0;
  }

  .modern-nav .nav-links.open {
    display: flex;
  }

  .modern-nav .nav-links li {
    border-bottom: 1px solid var(--border-glass);
  }

  .modern-nav .nav-links a {
    display: block;
    padding: 1rem 0;
    font-size: 1rem;
  }

  .nav-hamburger { display: flex; }

  .question-card {
    padding: 2rem 1.25rem;
  }

  .question-text {
    font-size: 1.1rem;
  }

  .choice-label {
    font-size: 0.9rem;
  }

  .personalities-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .content-wrapper,
  .content-wrapper-wide {
    padding: 2rem 1rem;
  }
}

@media (max-width: 480px) {
  .question-card {
    padding: 1.5rem 1rem;
    border-radius: var(--radius-lg);
  }
}

/* ---------- Loading Transition ---------- */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  pointer-events: none;
  animation: pageReveal 0.5s ease 0.1s both;
}

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

/* ---------- Result Card ---------- */
.result-reveal {
  text-align: center;
  padding: 3rem 2rem;
  animation: fadeUp 0.7s ease both;
}

.result-type {
  font-size: 5rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse-glow 3s ease infinite;
  margin-bottom: 0.5rem;
}

.result-redirect-msg {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 1rem;
}

/* ---------- Tooltip ---------- */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.9);
  color: #fff;
  font-size: 0.78rem;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

[data-tooltip]:hover::after {
  opacity: 1;
}

/* ── Site Footer ── */
.site-footer {
  width: 100%;
  padding: 0 1rem 2.4rem;
  text-align: center;
  position: relative;
  z-index: 1;
  margin-top: 3.5rem;
}
/* gradient divider line */
.site-footer::before {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(102,126,234,.35) 25%,
    rgba(79,172,254,.35) 75%,
    transparent 100%
  );
  margin-bottom: 1.6rem;
}
.footer-inner {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: .82rem;
  color: var(--text-muted);
  padding: .55rem 1.5rem;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 9999px;
  box-shadow:
    0 2px 16px rgba(0,0,0,.22),
    inset 0 1px 0 rgba(255,255,255,.06),
    0 0 0 1px rgba(102,126,234,.05);
  backdrop-filter: blur(8px);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.footer-inner:hover {
  border-color: rgba(255,255,255,.12);
  box-shadow:
    0 4px 24px rgba(0,0,0,.28),
    inset 0 1px 0 rgba(255,255,255,.08),
    0 0 0 1px rgba(102,126,234,.1);
}
.footer-inner strong {
  color: var(--text-secondary);
  font-weight: 600;
}
.footer-sep {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: inline-block;
  flex-shrink: 0;
}
.footer-link {
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
  text-decoration: none;
  gap: .28em;
  transition: color .2s ease;
}
.footer-link:hover { color: #93c5fd; }
.footer-link svg { opacity: .7; transition: opacity .2s ease; }
.footer-link:hover svg { opacity: 1; }