/* ============================================================
   personality-test-hub, components.css
   Buttons, cards, progress bar, language toggle, header, footer
   ============================================================ */

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary */
.btn--primary {
  background-color: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.btn--primary:hover:not(:disabled) {
  background-color: #3a8eef;
  border-color: #3a8eef;
  box-shadow: 0 4px 16px rgba(74, 158, 255, 0.35);
}

/* Secondary */
.btn--secondary {
  background-color: var(--accent-secondary);
  color: #fff;
  border-color: var(--accent-secondary);
}

.btn--secondary:hover:not(:disabled) {
  background-color: #5a4bd6;
  border-color: #5a4bd6;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
}

/* Outline */
.btn--outline {
  background-color: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn--outline:hover:not(:disabled) {
  background-color: rgba(74, 158, 255, 0.1);
}

/* Ghost */
.btn--ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

/* Sizes */
.btn--sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

/* Full width */
.btn--block {
  width: 100%;
}

/* Button group */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

/* ==================== CARDS ==================== */
.card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.card--flat:hover {
  transform: none;
  box-shadow: var(--shadow-card);
}

.card--interactive {
  cursor: pointer;
}

.card--interactive:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* Card with left border accent */
.card--accent {
  border-left: 3px solid var(--accent-primary);
}

/* ==================== PROGRESS BAR ==================== */
.progress {
  width: 100%;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
  min-width: 0;
}

.progress--sm { height: 4px; }
.progress--md { height: 8px; }
.progress--lg { height: 12px; }

/* ==================== LANGUAGE TOGGLE ==================== */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-xs);
}

.lang-toggle button {
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lang-toggle button:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.06);
}

.lang-toggle button.active {
  color: var(--bg-primary);
  background-color: var(--accent-primary);
}

/* ==================== HEADER ==================== */
.header {
  width: 100%;
  padding: var(--space-md) 0;
  background-color: rgba(15, 15, 26, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
  position: sticky;
  top: 0;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  background-color: rgba(15, 15, 26, 0.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header__logo {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.header__logo:hover {
  text-decoration: none;
}

.header__logo span {
  color: var(--accent-primary);
}

/* Canonical brand lockup (lotus mark + wordmark) — available on every page that
   loads components.css so the navbar logo is consistent site-wide. */
.header__logo { display: inline-flex; align-items: center; gap: 0.55rem; }
.header__logo-mark { height: 42px; width: 42px; display: block; flex-shrink: 0; }
.header__logo .header__logo-text { color: var(--text-primary); font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; line-height: 1; }
.header__logo .header__logo-text > span { color: var(--accent-primary); font-weight: 600; }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--text-primary);
  text-decoration: none;
}

/* Hamburger (mobile) */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-xs);
  cursor: pointer;
  background: none;
  border: none;
}

.header__menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

@media (max-width: 767px) {
  .header__nav {
    display: none;
  }

  .header__nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    padding: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    gap: var(--space-md);
  }

  .header__menu-btn {
    display: flex;
  }
}

/* ==================== FOOTER ==================== */
.footer {
  width: 100%;
  padding: var(--space-xl) 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.footer__nav a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__nav a:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.footer__copy {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

@media (max-width: 767px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ==================== TRUST BADGES ==================== */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-secondary);
}

.trust-badge__icon {
  font-size: var(--text-lg);
  color: var(--accent-primary);
}

/* ==================== TYPE CARDS (Landing) ==================== */
.type-card {
  display: block;
  padding: var(--space-lg);
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  background-color: var(--bg-card);
  transition: all var(--transition-base);
}

.type-card:hover {
  text-decoration: none;
  border-color: rgba(74, 158, 255, 0.3);
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px);
}

.type-card__code {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.05em;
}

.type-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.type-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==================== QUESTION CARD ==================== */
.question-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
}

.question-card__number {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.question-card__text {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: var(--space-xl);
}

/* Answer options */
.question-card__options {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.answer-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--text-base);
  color: var(--text-secondary);
  text-align: left;
  width: 100%;
}

.answer-option:hover {
  border-color: var(--accent-primary);
  background-color: rgba(74, 158, 255, 0.06);
  color: var(--text-primary);
}

.answer-option.selected {
  border-color: var(--accent-primary);
  background-color: rgba(74, 158, 255, 0.12);
  color: var(--text-primary);
}

.answer-option__indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.answer-option.selected .answer-option__indicator {
  border-color: var(--accent-primary);
  background-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.25);
}

/* ==================== QUIZ LAYOUT ==================== */
.quiz-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-2xl) 0;
}

.quiz-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-xl);
}

/* ==================== QUIZ PROGRESS ==================== */
.quiz-progress {
  width: 100%;
  padding: var(--space-md) 0;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: sticky;
  top: 56px; /* below header */
  z-index: 50;
}

.quiz-progress__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.quiz-progress__text {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ==================== RESULT HERO ==================== */
.result-hero {
  text-align: center;
  padding: var(--space-3xl) 0;
}

.result-hero__badge {
  display: inline-block;
  font-size: var(--text-display);
  font-weight: 800;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.result-hero__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.result-hero__label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ==================== DICHOTOMY BARS ==================== */
.dichotomies {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.dichotomy {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.dichotomy__labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: 600;
}

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

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

.dichotomy__label-left strong,
.dichotomy__label-right strong {
  color: var(--text-primary);
}

.dichotomy__bar {
  width: 100%;
  height: 12px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
  position: relative;
}

.dichotomy__fill {
  height: 100%;
  border-radius: var(--radius-sm);
  transition: width 1s ease-out;
  min-width: 4px;
}

.dichotomy__fill--left {
  margin-right: auto;
}

.dichotomy__fill--right {
  margin-left: auto;
}

.dichotomy__track {
  display: flex;
  height: 100%;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.dichotomy__segment {
  height: 100%;
  transition: width 1s ease-out;
}

.dichotomy__segment--left {
  background: linear-gradient(90deg, var(--color-E), var(--color-I));
}

.dichotomy__segment--right {
  background: linear-gradient(90deg, var(--color-I), var(--color-E));
}

/* ==================== BULLET LIST ==================== */
.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bullet-list li {
  position: relative;
  padding-left: var(--space-lg);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.6;
}

.bullet-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 600;
}

/* ==================== MBTI DIMENSION BADGES ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.badge--E { background-color: rgba(255, 107, 107, 0.15); color: var(--color-E); }
.badge--I { background-color: rgba(78, 205, 196, 0.15); color: var(--color-I); }
.badge--S { background-color: rgba(255, 230, 109, 0.15); color: var(--color-S); }
.badge--N { background-color: rgba(162, 155, 254, 0.15); color: var(--color-N); }
.badge--T { background-color: rgba(116, 185, 255, 0.15); color: var(--color-T); }
.badge--F { background-color: rgba(253, 121, 168, 0.15); color: var(--color-F); }
.badge--J { background-color: rgba(0, 184, 148, 0.15); color: var(--color-J); }
.badge--P { background-color: rgba(225, 112, 85, 0.15);  color: var(--color-P); }

/* ==================== SECTION HEADER ==================== */
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section__subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

/* ==================== ANIMATIONS ==================== */
.fade-in {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================== GRID RESPONSIVE (4-col override) ==================== */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}