/* ===========================
   CSS VARIABLES — THEME SYSTEM
   =========================== */
:root {
  /* Dark theme (default) */
  --bg: #0a0e1a;
  --bg-secondary: #0f1525;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-card-selected: rgba(130, 100, 255, 0.12);
  --border: rgba(255, 255, 255, 0.10);
  --border-active: rgba(130, 100, 255, 0.6);

  --accent: #8264ff;
  --accent-2: #4fa8ff;
  --accent-gradient: linear-gradient(135deg, #8264ff 0%, #4fa8ff 100%);
  --accent-gradient-soft: linear-gradient(135deg, rgba(130, 100, 255, 0.18) 0%, rgba(79, 168, 255, 0.18) 100%);

  --green: #22d3a5;
  --yellow: #f5c842;
  --orange: #ff7e50;
  --red: #ff4f6e;

  --text: #e8ecf4;
  --text-muted: #8a9bb8;
  --text-dim: #4f617a;

  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.25);

  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Noto Sans SC', 'Inter', system-ui, sans-serif;
}

/* Light theme */
[data-theme="light"] {
  --bg: #f5f7fc;
  --bg-secondary: #eef1f9;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-card-selected: rgba(130, 100, 255, 0.08);
  --border: rgba(0, 0, 0, 0.08);
  --border-active: rgba(130, 100, 255, 0.5);

  --text: #1a1f33;
  --text-muted: #5a6480;
  --text-dim: #9aa0b8;

  --shadow: 0 8px 32px rgba(100, 100, 180, 0.10);
  --shadow-card: 0 4px 20px rgba(100, 100, 180, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

/* ===========================
   LAYOUT
   =========================== */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   HEADER
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

[data-theme="light"] .site-header {
  background: rgba(245, 247, 252, 0.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  cursor: pointer;
}

.logo-icon {
  font-size: 1.5rem;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ===========================
   THEME TOGGLE
   =========================== */
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-card-hover);
}

.toggle-track {
  width: 36px;
  height: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  position: relative;
  transition: background 0.3s;
}

[data-theme="light"] .toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--text-muted);
  border-radius: 50%;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s;
}

[data-theme="light"] .toggle-thumb {
  transform: translateX(16px);
  background: #fff;
}

.theme-icon-dark,
.theme-icon-light {
  font-size: 0.9rem;
}

[data-theme="light"] .theme-icon-dark {
  opacity: 0.4;
}

[data-theme="dark"] .theme-icon-light {
  opacity: 0.4;
}

/* ===========================
   HERO
   =========================== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 100px;
  text-align: center;
}

.hero-bg-circles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: float 8s ease-in-out infinite;
}

[data-theme="light"] .circle {
  opacity: 0.07;
}

.c1 {
  width: 420px;
  height: 420px;
  background: #8264ff;
  top: -100px;
  left: -80px;
  animation-delay: 0s;
}

.c2 {
  width: 320px;
  height: 320px;
  background: #4fa8ff;
  top: 20px;
  right: -60px;
  animation-delay: 2s;
}

.c3 {
  width: 260px;
  height: 260px;
  background: #22d3a5;
  bottom: -60px;
  left: 40%;
  animation-delay: 4s;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-24px);
  }
}

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

.hero-badge {
  display: inline-block;
  background: var(--accent-gradient-soft);
  border: 1px solid rgba(130, 100, 255, 0.3);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(1.4rem, 3vw, 2rem);
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.hero-desc {
  max-width: 560px;
  margin: 0 auto 40px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 44px;
  flex-wrap: wrap;
  gap: 8px 0;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.hero-hint {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ===========================
   BUTTONS
   =========================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font);
  box-shadow: 0 0 40px rgba(130, 100, 255, 0.35);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 60px rgba(130, 100, 255, 0.55);
  text-decoration: none;
  color: #fff;
}

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

/* ===========================
   ABOUT SECTION
   =========================== */
.about-section {
  padding: 80px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 44px;
  letter-spacing: -0.02em;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 44px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.about-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.about-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.about-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.about-card ul li {
  font-size: 0.86rem;
  color: var(--text-muted);
  padding: 4px 0 4px 16px;
  position: relative;
}

.about-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.about-cta {
  text-align: center;
}

/* ===========================
   QUIZ SECTION
   =========================== */
.quiz-section {
  min-height: 100vh;
  padding: 40px 0 80px;
  display: flex;
  align-items: center;
}

.quiz-container {
  width: 100%;
}

.quiz-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.btn-back {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-back:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-card-hover);
}

.quiz-part-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-gradient-soft);
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid rgba(130, 100, 255, 0.2);
}

.quiz-counter {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Progress */
.quiz-progress-wrap {
  margin-bottom: 36px;
}

.quiz-progress-track {
  height: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 14px;
}

.quiz-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  border-radius: 10px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.quiz-progress-dots {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.q-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  border: 1px solid var(--border);
  transition: background 0.3s, transform 0.2s;
  flex-shrink: 0;
}

.q-dot.answered {
  background: var(--green);
  border-color: var(--green);
}

.q-dot.current {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.4);
}

/* Quiz Card */
.quiz-card-wrap {
  min-height: 320px;
  display: flex;
  align-items: stretch;
  margin-bottom: 28px;
}

.quiz-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 44px;
  box-shadow: var(--shadow-card);
  transition: background 0.3s, border-color 0.3s, opacity 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.quiz-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.quiz-card-wrap.animating .quiz-card {
  opacity: 0;
  transform: translateX(30px);
}

.quiz-card-wrap.animating-back .quiz-card {
  opacity: 0;
  transform: translateX(-30px);
}

.quiz-q-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.quiz-q-num {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'Inter', monospace;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.quiz-q-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-secondary);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.quiz-q-text {
  font-size: 1.18rem;
  font-weight: 500;
  line-height: 1.65;
  margin-bottom: 14px;
  color: var(--text);
}

.quiz-q-hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 32px;
}

/* Option Buttons */
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  text-align: left;
  position: relative;
  overflow: hidden;
}

.quiz-opt:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-card-selected);
  transform: translateX(4px);
}

.quiz-opt.selected {
  border-color: var(--accent);
  background: var(--bg-card-selected);
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(130, 100, 255, 0.3);
}

.quiz-opt.selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gradient);
}

.opt-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.quiz-opt.selected .opt-radio {
  border-color: var(--accent);
  background: var(--accent-gradient);
}

.quiz-opt.selected .opt-radio::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}

.opt-freq {
  display: flex;
  align-items: center;
  gap: 8px;
}

.opt-label {
  font-weight: 600;
}

.opt-desc {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-left: 4px;
}

/* Navigation */
.quiz-nav {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.btn-quiz-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-quiz-nav:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.btn-quiz-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-next {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(130, 100, 255, 0.3);
}

.btn-next:hover:not(:disabled) {
  color: #fff !important;
  box-shadow: 0 4px 30px rgba(130, 100, 255, 0.55) !important;
  border-color: transparent !important;
  background: var(--accent-gradient) !important;
}

.quiz-skip-hint {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ===========================
   RESULT SECTION
   =========================== */
.result-section {
  padding: 60px 0 100px;
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Score Hero */
.result-hero {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 44px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
}

.result-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

.result-ring-wrap {
  position: relative;
  width: 140px;
  height: 140px;
  flex-shrink: 0;
}

.result-ring {
  width: 140px;
  height: 140px;
  transform: rotate(-90deg);
}

.ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 14;
}

.ring-fill {
  fill: none;
  stroke: url(#ringGradient);
  stroke-width: 14;
  stroke-linecap: round;
  stroke-dasharray: 502;
  stroke-dashoffset: 502;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.result-ring-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.result-score-num {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.result-score-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.result-hero-text {
  flex: 1;
}

.result-level-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.level-none {
  background: rgba(79, 168, 255, 0.12);
  color: #4fa8ff;
  border: 1px solid rgba(79, 168, 255, 0.3);
}

.level-mild {
  background: rgba(34, 211, 165, 0.12);
  color: #22d3a5;
  border: 1px solid rgba(34, 211, 165, 0.3);
}

.level-moderate {
  background: rgba(245, 200, 66, 0.12);
  color: #f5c842;
  border: 1px solid rgba(245, 200, 66, 0.3);
}

.level-notable {
  background: rgba(255, 126, 80, 0.12);
  color: #ff7e50;
  border: 1px solid rgba(255, 126, 80, 0.3);
}

.level-high {
  background: rgba(255, 79, 110, 0.12);
  color: #ff4f6e;
  border: 1px solid rgba(255, 79, 110, 0.3);
}

.result-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.result-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Sub scores */
.sub-scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.sub-score-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.sub-score-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.sub-score-info {
  flex: 1;
  min-width: 0;
}

.sub-score-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 8px;
}

.sub-score-bar-wrap {
  height: 5px;
  background: var(--bg-secondary);
  border-radius: 10px;
  overflow: hidden;
}

.sub-score-bar {
  height: 100%;
  width: 0%;
  border-radius: 10px;
  background: var(--accent-gradient);
  transition: width 1s ease;
}

.sub-score-bar-b {
  background: linear-gradient(90deg, #22d3a5, #4fa8ff);
}

.sub-score-num {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  flex-shrink: 0;
}

/* ASRS badge */
.asrs-badge {
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
  line-height: 1.6;
}

.asrs-positive {
  background: rgba(255, 79, 110, 0.08);
  border: 1px solid rgba(255, 79, 110, 0.25);
  color: #ff8fa3;
}

.asrs-negative {
  background: rgba(34, 211, 165, 0.08);
  border: 1px solid rgba(34, 211, 165, 0.25);
  color: #6ee7cc;
}

/* Severity meter */
.severity-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
}

.result-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--text);
}

.severity-meter {
  position: relative;
}

.severity-track {
  height: 12px;
  background: linear-gradient(90deg,
      rgba(79, 168, 255, 0.3) 0%,
      rgba(34, 211, 165, 0.4) 25%,
      rgba(245, 200, 66, 0.45) 50%,
      rgba(255, 126, 80, 0.5) 75%,
      rgba(255, 79, 110, 0.6) 100%);
  border-radius: 10px;
  position: relative;
  margin-bottom: 10px;
  overflow: visible;
}

.severity-fill {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  border-radius: 10px;
  background: transparent;
}

.severity-pointer {
  position: absolute;
  top: -5px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--accent);
  box-shadow: 0 2px 10px rgba(130, 100, 255, 0.5);
  transform: translateX(-50%);
  transition: left 1.2s cubic-bezier(0.4, 0, 0.2, 1);
  left: 0%;
}

.severity-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Solutions */
.solutions-section {
  margin-bottom: 28px;
}

.solutions-intro {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

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

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
}

.solution-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.solution-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  transition: background var(--transition);
}

.solution-header:hover {
  background: var(--bg-card-hover);
}

.solution-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.solution-header-text {
  flex: 1;
}

.solution-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3px;
}

.solution-title {
  font-size: 1rem;
  font-weight: 600;
}

.solution-evidence {
  font-size: 0.73rem;
  color: var(--text-dim);
  font-weight: 500;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

.solution-chevron {
  color: var(--text-dim);
  transition: transform 0.25s;
  flex-shrink: 0;
}

.solution-card.open .solution-chevron {
  transform: rotate(180deg);
}

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

.solution-card.open .solution-body {
  max-height: 600px;
}

.solution-content {
  padding: 0 24px 24px;
  border-top: 1px solid var(--border);
}

.solution-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
  padding-top: 14px;
}

.solution-steps-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.solution-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.solution-step {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.step-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-text strong {
  color: var(--text);
}

.solution-ref {
  margin-top: 14px;
  font-size: 0.75rem;
  color: var(--text-dim);
  font-style: italic;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Disclaimer */
.result-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(245, 200, 66, 0.06);
  border: 1px solid rgba(245, 200, 66, 0.2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.85rem;
  color: rgba(245, 200, 66, 0.85);
  line-height: 1.6;
  margin-bottom: 28px;
}

.disclaimer-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Result Actions */
.result-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-retry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 30px;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-retry:hover {
  border-color: var(--accent);
  color: var(--text);
  background: var(--bg-card-hover);
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0;
  transition: background 0.3s;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.footer-copy {
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 680px) {
  .hero {
    padding: 80px 0 70px;
  }

  .stat {
    padding: 0 16px;
  }

  .stat-divider {
    display: none;
  }

  .quiz-card {
    padding: 28px 22px;
  }

  .quiz-q-text {
    font-size: 1.05rem;
  }

  .result-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px 22px;
  }

  .result-title {
    font-size: 1.3rem;
  }

  .sub-scores {
    grid-template-columns: 1fr;
  }

  .theme-toggle span:not(.toggle-track):not(.toggle-thumb) {
    display: none;
  }

  nav.nav-links {
    display: none;
  }

  .solution-header {
    flex-wrap: wrap;
    row-gap: 12px;
  }

  .solution-evidence {
    order: 4;
    width: calc(100% - 1.6rem - 14px);
    margin-left: calc(1.6rem + 14px);
    white-space: normal;
    text-align: left;
    margin-top: 0;
  }

  .solution-chevron {
    margin-left: auto;
  }
}

/* ===========================
   FIX: Remove button :focus visual that mimics selection
   =========================== */
.quiz-opt:focus {
  outline: none;
}

.quiz-opt:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===========================
   RESUME BANNER
   =========================== */
.resume-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(130, 100, 255, 0.08);
  border: 1px solid rgba(130, 100, 255, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.resume-banner-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.resume-icon {
  font-size: 1.2rem;
}

.resume-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.resume-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

.btn-resume-continue {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font);
  transition: opacity var(--transition), transform var(--transition);
}

.btn-resume-continue:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn-resume-new {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.btn-resume-new:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ===========================
   MILESTONE TOAST
   =========================== */
.milestone-toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--bg-card);
  border: 1px solid rgba(130, 100, 255, 0.35);
  border-radius: 40px;
  padding: 12px 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(130, 100, 255, 0.2);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  white-space: nowrap;
}

.milestone-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.milestone-emoji {
  font-size: 1.3rem;
}

/* ===========================
   KEYBOARD HINT
   =========================== */
.quiz-footer-hints {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.keyboard-hint {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  padding: 0 5px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-bottom: 2px solid var(--border);
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: 'Inter', monospace;
  color: var(--text-muted);
}

/* ===========================
   TIMER STAT
   =========================== */
.timer-stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 10px;
  background: var(--bg-secondary);
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
}

/* ===========================
   RADAR CHART
   =========================== */
.radar-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  margin-bottom: 28px;
  box-shadow: var(--shadow-card);
}

.radar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

#radar-chart {
  max-width: 300px;
  width: 100%;
}

.radar-legend {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

@media (max-width: 680px) {
  .radar-wrap {
    flex-direction: column;
    gap: 20px;
  }

  .radar-legend {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .resume-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .keyboard-hint {
    display: none;
  }
}

/* ===========================
   RADAR SUBTITLE
   =========================== */
.radar-subtitle {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: -10px 0 18px;
}

/* ===========================
   DIMENSION SUMMARY CARDS
   =========================== */
.dim-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.dim-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition), box-shadow var(--transition);
  cursor: default;
}

.dim-card:hover {
  border-color: var(--border-active);
  box-shadow: var(--shadow-card);
}

.dim-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.dim-card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dim-card-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  flex: 1;
}

.dim-card-pct {
  font-size: 0.88rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.dim-bar-wrap {
  height: 5px;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.dim-bar {
  height: 100%;
  width: 0%;
  border-radius: 10px;
  transition: width 1.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.dim-level-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 12px;
  letter-spacing: 0.04em;
  align-self: flex-start;
}

.dim-level-ok {
  background: rgba(79, 168, 255, 0.12);
  color: #4fa8ff;
  border: 1px solid rgba(79, 168, 255, 0.25);
}

.dim-level-mild {
  background: rgba(34, 211, 165, 0.12);
  color: #22d3a5;
  border: 1px solid rgba(34, 211, 165, 0.25);
}

.dim-level-moderate {
  background: rgba(245, 200, 66, 0.12);
  color: #f5c842;
  border: 1px solid rgba(245, 200, 66, 0.25);
}

.dim-level-notable {
  background: rgba(255, 126, 80, 0.12);
  color: #ff7e50;
  border: 1px solid rgba(255, 126, 80, 0.25);
}

.dim-level-high {
  background: rgba(255, 79, 110, 0.12);
  color: #ff4f6e;
  border: 1px solid rgba(255, 79, 110, 0.25);
}

.dim-analysis {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 680px) {
  .dim-cards {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===========================
   EVIDENCE LINK (in solution cards)
   =========================== */
.evidence-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity var(--transition);
}

.evidence-link:hover {
  opacity: 0.75;
  text-decoration: underline;
}

/* ===========================
   PRINT / PDF EXPORT (A4 optimized)
   =========================== */
@media print {
  @page {
    margin: 1.5cm;
    size: auto;
  }

  body,
  .result-section,
  .site-footer {
    background: #fff !important;
    color: #000 !important;
  }

  .site-header,
  .btn-back,
  .quiz-nav,
  #resume-banner,
  #hero,
  .theme-toggle,
  .result-actions {
    display: none !important;
  }

  .result-hero {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    break-inside: avoid;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    padding: 20px !important;
  }

  .severity-section,
  .radar-section,
  .sub-score-card {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .solution-card {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #ddd !important;
  }

  .solution-body {
    max-height: none !important;
  }

  .severity-track {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .radar-wrap canvas {
    max-width: 100%;
  }

  .site-footer {
    border-top: 1px solid #ddd;
    color: #666 !important;
  }
}