/* ============================================================
   QA Training Hub - Training-Specific Styles
   ============================================================
   Base design system inherited from ../css/style.css
   This file only contains NEW components for the training app.
   ============================================================ */

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-cream);
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.nav--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
  min-height: 60px;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-near-black);
  flex-shrink: 0;
}
.nav__logo:hover { color: var(--color-terracotta); }
.nav__logo-icon { font-size: 1.3rem; }

/* Nav links container */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Individual links */
.nav__link {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-charcoal-warm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover {
  color: var(--color-terracotta);
  background: rgba(201, 100, 66, 0.06);
}
.nav__link--active {
  color: var(--color-terracotta);
  background: rgba(201, 100, 66, 0.1);
  font-weight: 600;
}

/* Admin link accent */
.nav__link--admin {
  color: var(--color-mocha-brown);
}

/* User button in nav */
.nav__user-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-ivory);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-charcoal-warm);
  cursor: pointer;
  transition: border-color 0.2s;
}
.nav__user-btn:hover { border-color: var(--color-terracotta); }
.nav__user-avatar { font-size: 1.1rem; }

/* Hamburger (mobile) - hidden on desktop */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1100;
  position: relative;
}
.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-near-black);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
/* Animated X when open */
.nav__hamburger--active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav__hamburger--active span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger--active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.nav-overlay--visible {
  display: block;
  opacity: 1;
}

/* ─── Hide nav links when auth screen is showing ─── */
body.auth-mode .nav__links {
  display: none !important;
}
body.auth-mode .nav__hamburger {
  display: none !important;
}

/* ─── Body offset for fixed nav ─── */
body {
  padding-top: 60px;
}

/* ============================================================
   MOBILE NAV (<= 767px)
   ============================================================ */
@media (max-width: 767px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px var(--space-lg) var(--space-lg);
    gap: var(--space-xs);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.08);
    transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1050;
    overflow-y: auto;
  }
  .nav__links--open {
    right: 0;
  }

  .nav__link {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .nav__user-btn {
    width: 100%;
    justify-content: flex-start;
    margin-top: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
  }

  #navLogoutBtn {
    width: 100%;
    margin-top: var(--space-xs);
    text-align: center;
  }
}

/* ---------- Auth Container ---------- */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  background: linear-gradient(135deg, var(--color-parchment) 0%, var(--color-ivory) 50%, var(--color-warm-sand) 100%);
}

.auth-screen { width: 100%; max-width: 420px; }

.auth-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-whisper), var(--shadow-ring) var(--color-ring-subtle);
}

.auth-card__header { text-align: center; margin-bottom: var(--space-xl); }
.auth-card__icon { font-size: 2.5rem; display: block; margin-bottom: var(--space-md); }
.auth-card__title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-near-black);
  margin-bottom: var(--space-xs);
}
.auth-card__subtitle {
  font-size: 0.94rem;
  color: var(--color-olive-gray);
}

.auth-form { display: flex; flex-direction: column; gap: var(--space-md); }

/* Light-theme form inputs (override dark contact form defaults) */
.auth-form .form-input {
  background-color: var(--color-ivory);
  border-color: var(--color-border-cream);
  color: var(--color-near-black);
}
.auth-form .form-input::placeholder { color: var(--color-stone-gray); }
.auth-form .form-input:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(201, 100, 66, 0.12);
}
.auth-form .form-group label {
  color: var(--color-charcoal-warm);
  font-size: 0.85rem;
}

.auth-error {
  padding: var(--space-sm) var(--space-md);
  background: rgba(181, 51, 51, 0.08);
  border: 1px solid rgba(181, 51, 51, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-size: 0.88rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--color-stone-gray);
  font-size: 0.82rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-cream);
}

.auth-switch {
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-olive-gray);
  margin-top: var(--space-md);
}
.auth-switch a {
  color: var(--color-terracotta);
  font-weight: 600;
}
.auth-switch a:hover { color: var(--color-coral); }

/* Google button */
.btn--google {
  background: var(--color-white);
  color: var(--color-charcoal-warm);
  border: 1px solid var(--color-border-cream);
  font-weight: 500;
  gap: var(--space-sm);
}
.btn--google:hover {
  background: var(--color-ivory);
  border-color: var(--color-ring-warm);
  transform: translateY(-1px);
  box-shadow: var(--shadow-whisper);
}

.btn--full { width: 100%; justify-content: center; }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; }

/* Turnstile widget */
.cf-turnstile { display: flex; justify-content: center; }

/* ---------- App Container ---------- */
.app-container {
  min-height: calc(100vh - 140px);
  padding-top: 80px;
}

/* ---------- Roadmap ---------- */
.roadmap { padding: var(--space-3xl) 0; }

/* Hero image layout - shared by roadmap, glossary, dashboard */
.roadmap__hero,
.glossary__hero,
.dashboard__hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
}
.roadmap__hero-text,
.glossary__hero-text,
.dashboard__hero-text { flex: 1; }
.roadmap__hero-img,
.glossary__hero-img,
.dashboard__hero-img {
  flex-shrink: 0;
}
.roadmap__hero-img img,
.glossary__hero-img img,
.dashboard__hero-img img {
  display: block;
  border-radius: var(--radius-lg);
  object-fit: contain;
}

.roadmap__phases {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.phase-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 16px;
  border-radius: var(--radius-2xl);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.phase-badge--foundation { background: rgba(56, 152, 236, 0.1); color: #3898ec; }
.phase-badge--ai { background: rgba(168, 85, 247, 0.1); color: #a855f7; }
.phase-badge--sprint { background: rgba(34, 197, 94, 0.1); color: #22c55e; }

.roadmap__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  max-width: 1100px;
  margin: 0 auto;
}

.week-card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
}
.week-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-whisper);
  border-color: var(--color-ring-warm);
}
.week-card--locked {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(0.3);
}
.week-card--locked:hover { transform: none; box-shadow: none; }
.week-card--active {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 2px rgba(201, 100, 66, 0.15);
}
.week-card--completed { border-color: #22c55e; }

.week-card__number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-stone-gray);
  margin-bottom: var(--space-xs);
}
.week-card__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-near-black);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}
.week-card__phase {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.week-card__status {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-warm-sand);
  color: var(--color-stone-gray);
}
.week-card__status--open { background: rgba(56,152,236,0.1); color: #3898ec; }
.week-card__status--in-progress { background: rgba(201,100,66,0.1); color: var(--color-terracotta); }
.week-card__status--done { background: rgba(34,197,94,0.1); color: #166534; }
.week-card__status--locked { background: var(--color-warm-sand); color: var(--color-stone-gray); }

/* ---------- Week Module ---------- */
.week-module { padding: var(--space-2xl) 0; }

.week-module__header {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-cream);
}
.week-module__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-olive-gray);
  font-size: 0.88rem;
  margin-bottom: var(--space-md);
  cursor: pointer;
  transition: color var(--transition-base);
}
.week-module__back:hover { color: var(--color-terracotta); }
.week-module__title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-near-black);
}

.week-tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--color-border-cream);
  margin-bottom: var(--space-xl);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.week-tab {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-olive-gray);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  transition: all var(--transition-base);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-sans);
}
.week-tab:hover { color: var(--color-near-black); }
.week-tab--active {
  color: var(--color-terracotta);
  border-bottom-color: var(--color-terracotta);
}

.tab-content { display: none; }
.tab-content--active { display: block; }

/* Knowledge content styling */
.knowledge-content {
  max-width: 760px;
  line-height: 1.7;
  color: var(--color-charcoal-warm);
}
.knowledge-content h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-near-black);
  margin: var(--space-xl) 0 var(--space-md);
}
.knowledge-content p { margin-bottom: var(--space-md); font-size: 0.95rem; }
.knowledge-content ul { padding-left: var(--space-lg); margin-bottom: var(--space-md); }
.knowledge-content li { margin-bottom: var(--space-xs); font-size: 0.95rem; }
.knowledge-content code {
  font-family: var(--font-mono);
  background: var(--color-ivory);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.88em;
  color: var(--color-terracotta);
}

/* ---------- Quiz Engine ---------- */
.quiz { max-width: 720px; }
.quiz__progress {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  font-size: 0.88rem;
  color: var(--color-olive-gray);
}
.quiz__progress-bar {
  flex: 1;
  height: 6px;
  background: var(--color-warm-sand);
  border-radius: 3px;
  overflow: hidden;
}
.quiz__progress-fill {
  height: 100%;
  background: var(--color-terracotta);
  border-radius: 3px;
  transition: width var(--transition-base);
}

.quiz__question {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-near-black);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.quiz__answers { display: flex; flex-direction: column; gap: var(--space-sm); }

.answer-card {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.94rem;
  color: var(--color-charcoal-warm);
}
.answer-card:hover {
  border-color: var(--color-ring-warm);
  background: var(--color-ivory);
}
.answer-card--selected {
  border-color: var(--color-terracotta);
  background: rgba(201, 100, 66, 0.06);
}
.answer-card--correct {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.06);
}
.answer-card--incorrect {
  border-color: var(--color-error);
  background: rgba(181, 51, 51, 0.06);
}

.quiz__feedback {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  margin-top: var(--space-md);
  font-size: 0.94rem;
  line-height: 1.6;
}
.quiz__feedback--correct {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #166534;
}
.quiz__feedback--incorrect {
  background: rgba(181, 51, 51, 0.08);
  border: 1px solid rgba(181, 51, 51, 0.2);
  color: #7f1d1d;
}

.quiz__actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

/* Written answer */
.quiz__textarea {
  width: 100%;
  min-height: 120px;
  padding: var(--space-md);
  background: var(--color-ivory);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  color: var(--color-near-black);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-base);
}
.quiz__textarea:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(201, 100, 66, 0.12);
}

/* Quiz result */
.quiz-result {
  text-align: center;
  padding: var(--space-3xl) 0;
}
.quiz-result__score {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: var(--color-terracotta);
  font-weight: 700;
}
.quiz-result__label {
  font-size: 1rem;
  color: var(--color-olive-gray);
  margin-bottom: var(--space-xl);
}

/* ---------- Glossary ---------- */
.glossary { padding: var(--space-2xl) 0; }
.glossary__search {
  max-width: 480px;
  margin: 0 auto var(--space-xl);
  position: relative;
}
.glossary__search-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  padding-left: 44px;
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-full);
  font-size: 0.94rem;
  font-family: var(--font-sans);
  color: var(--color-near-black);
  outline: none;
  transition: all var(--transition-base);
}
.glossary__search-input:focus {
  border-color: var(--color-terracotta);
  box-shadow: 0 0 0 3px rgba(201, 100, 66, 0.12);
}
.glossary__search-svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-stone-gray);
  pointer-events: none;
}

.glossary__category { margin-bottom: var(--space-2xl); }
.glossary__category-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--color-near-black);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-cream);
}

.glossary__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
}

.glossary-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}
.glossary-card:hover {
  border-color: var(--color-ring-warm);
  box-shadow: var(--shadow-whisper);
}
.glossary-card__term {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-near-black);
  margin-bottom: var(--space-sm);
}
.glossary-card__def {
  font-size: 0.88rem;
  color: var(--color-olive-gray);
  line-height: 1.6;
}

/* Phase dot indicator */
.phase-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 2px;
}
.phase-badge--foundation .phase-dot { background: #3898ec; }
.phase-badge--ai .phase-dot { background: #a855f7; }
.phase-badge--sprint .phase-dot { background: #22c55e; }

/* Sign Out button */
.nav__logout-btn {
  color: var(--color-olive-gray);
  border: 1px solid var(--color-border-cream);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}
.nav__logout-btn:hover {
  color: var(--color-error);
  border-color: var(--color-error);
}

/* ---------- Progress Dashboard ---------- */
.dashboard { padding: var(--space-2xl) 0; }

.dashboard__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.dash-stat {
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}
.dash-stat__value {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-terracotta);
  font-weight: 700;
}
.dash-stat__label {
  font-size: 0.82rem;
  color: var(--color-olive-gray);
  margin-top: var(--space-xs);
}

.dashboard__chart-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.dashboard__chart-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: var(--space-lg);
}

/* ---------- Admin Dashboard ---------- */
.admin { padding: var(--space-2xl) 0; }

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

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border: 1px solid var(--color-border-cream);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.admin-table th,
.admin-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--color-border-cream);
}
.admin-table th {
  background: var(--color-ivory);
  font-weight: 600;
  color: var(--color-charcoal-warm);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.admin-table td { color: var(--color-olive-gray); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--color-ivory); }

/* Rank badge */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
}
.rank-badge--1 { background: #fef3c7; color: #92400e; }
.rank-badge--2 { background: #e5e7eb; color: #4b5563; }
.rank-badge--3 { background: #fed7aa; color: #9a3412; }

/* ---------- Nav enhancements ---------- */
.nav__user-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-base);
  font-family: var(--font-sans);
}
.nav__user-btn:hover { background: var(--color-warm-sand); }
.nav__user-avatar { font-size: 1.2rem; }
.nav__user-name {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-charcoal-warm);
}

.nav__link--admin {
  color: var(--color-terracotta);
  font-weight: 600;
}

/* Footer brand */
.footer__brand {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-ivory);
}
.footer__link {
  font-size: 0.85rem;
  color: var(--color-stone-gray);
  transition: color var(--transition-base);
}
.footer__link:hover { color: var(--color-terracotta); }

/* ---------- Loading spinner ---------- */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-ring-warm);
  border-top-color: var(--color-terracotta);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-stone-gray);
}
.empty-state__icon { font-size: 3rem; margin-bottom: var(--space-md); }
.empty-state__text { font-size: 1rem; }

/* ---------- Toast notifications ---------- */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: 0.88rem;
  color: var(--color-ivory);
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
  max-width: 360px;
}
.toast--visible { transform: translateY(0); opacity: 1; }
.toast--success { background: #166534; }
.toast--error { background: #7f1d1d; }
.toast--info { background: var(--color-dark-surface); }

/* ══════════════════════════════════════════
   RESPONSIVE - Training-specific overrides
   ══════════════════════════════════════════ */

/* Tablet (<=991px) */
@media (max-width: 991px) {
  .roadmap__grid { grid-template-columns: repeat(3, 1fr); }

  .dashboard__stats { grid-template-columns: repeat(2, 1fr); }

  .roadmap__hero-img img { width: 140px; height: 140px; }
  .glossary__hero-img img { width: 120px; height: 120px; }
  .dashboard__hero-img img { width: 100px; height: 100px; }
}

/* Mobile (<=767px) */
@media (max-width: 767px) {
  .auth-card { padding: var(--space-xl) var(--space-lg); }
  .auth-card__title { font-size: 1.35rem; }

  .roadmap__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .week-card { padding: var(--space-md); }
  .week-card__title { font-size: 0.88rem; }

  .roadmap__hero-img,
  .glossary__hero-img,
  .dashboard__hero-img { display: none; }
  .roadmap__hero,
  .glossary__hero,
  .dashboard__hero { text-align: center; }

  .week-module__title { font-size: 1.4rem; }
  .week-tabs { gap: 0; }
  .week-tab { padding: var(--space-sm) var(--space-md); font-size: 0.85rem; }

  .quiz__question { font-size: 1.05rem; }
  .quiz-result__score { font-size: 2.5rem; }



  .glossary__grid { grid-template-columns: 1fr; }

  .dashboard__stats { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .dash-stat { padding: var(--space-md); }
  .dash-stat__value { font-size: 1.5rem; }

  /* Admin table: horizontal scroll */
  .admin-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .admin-table { min-width: 600px; }

  .toast { left: var(--space-md); right: var(--space-md); max-width: none; }
}

/* Small mobile (<=479px) */
@media (max-width: 479px) {
  .auth-container { padding: var(--space-md); }
  .auth-card { padding: var(--space-lg) var(--space-md); border-radius: var(--radius-lg); }
  .auth-card__title { font-size: 1.2rem; }

  .roadmap__grid { grid-template-columns: 1fr 1fr; gap: var(--space-xs); }
  .week-card { padding: var(--space-sm) var(--space-xs); }
  .week-card__title { font-size: 0.82rem; }
  .week-card__number { font-size: 0.68rem; }

  .phase-badge { font-size: 0.72rem; padding: 4px 10px; }

  .week-tab { padding: var(--space-xs) var(--space-sm); font-size: 0.78rem; }

  .dashboard__stats { grid-template-columns: 1fr 1fr; }
  .dash-stat__value { font-size: 1.2rem; }
  .dash-stat__label { font-size: 0.72rem; }
}