/* =========================================================
   Lastbilteori — designsystem
   Tema: asfalt + vägskylt. Signaturelement: den streckade
   "körfältslinjen" som delar sektioner, och gula skylt-taggar
   för pris, inspirerade av svenska varningsmärken.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --asphalt: #1C1F22;
  --asphalt-light: #24282C;
  --card: #2B2F33;
  --card-hover: #33383D;
  --line: #3A3F44;
  --white: #F5F3EC;
  --muted: #9AA0A6;
  --yellow: #FFC72C;
  --yellow-dark: #E0A800;
  --danger: #E4572E;
  --success: #4C9A5B;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--asphalt);
  color: var(--white);
  font-family: var(--font-body);
  min-height: 100vh;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
  margin: 0;
}

a { color: inherit; text-decoration: none; }

button, input, select { font-family: inherit; font-size: inherit; }

:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

/* ---------- Layout ---------- */

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-page-split { padding: 0; align-items: stretch; }
.auth-hero { display: none; background-size: cover; background-position: center; }
.auth-form-side {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
}
.auth-form-side::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255,199,44,0.06), transparent 60%);
  pointer-events: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.04em;
}

.brand .dot {
  width: 12px;
  height: 12px;
  background: var(--yellow);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* Signature: streckad körfältslinje som avdelare */
.lane-divider {
  height: 4px;
  margin: 28px 0;
  background-image: repeating-linear-gradient(
    90deg,
    var(--white) 0 28px,
    transparent 28px 48px
  );
  opacity: 0.15;
  border-radius: 2px;
}

/* ---------- Cards & tiles ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
}

.pkg-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
  transition: border-color 0.15s ease;
}
.pkg-card:hover { border-color: var(--yellow); }

.pkg-info { flex: 1; }
.pkg-info .pkg-title { font-weight: 600; font-size: 16px; }
.pkg-info .pkg-sub { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* Signaturtagg: gul "skylt" med pris, likt ett varningsmärke-hörn */
.sign-tag {
  background: var(--yellow);
  color: var(--asphalt);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.category-tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease;
}
.category-tile:hover { transform: translateY(-2px); border-color: var(--yellow); }
.category-tile .icon { font-size: 30px; display: block; margin-bottom: 10px; }
.category-tile .label { font-family: var(--font-display); font-size: 15px; letter-spacing: 0.02em; }

/* ---------- Forms ---------- */

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.input {
  width: 100%;
  background: var(--asphalt-light);
  border: 1px solid var(--line);
  color: var(--white);
  border-radius: 8px;
  padding: 12px 14px;
}
.input:focus { border-color: var(--yellow); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 8px;
  padding: 13px 20px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.btn-primary { background: var(--yellow); color: var(--asphalt); }
.btn-primary:hover { background: var(--yellow-dark); }
.btn-secondary { background: var(--asphalt-light); color: var(--white); border: 1px solid var(--line); }
.btn-success { background: var(--success); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-danger { background: var(--danger); color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 8px 14px; font-size: 13px; width: auto; }

/* ---------- Misc ---------- */

.muted { color: var(--muted); }
.center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--line);
  border-top-color: var(--yellow);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 60px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.alert {
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 14px;
}
.alert-error { background: rgba(228,87,46,0.15); color: #FF8A65; border: 1px solid rgba(228,87,46,0.4); }
.alert-success { background: rgba(76,154,91,0.15); color: #7BC98A; border: 1px solid rgba(76,154,91,0.4); }

/* Quiz options */
.option-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--white);
  border-radius: 8px;
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
}
.option-btn:hover:not(:disabled) { border-color: var(--yellow); }
.option-correct { background: rgba(76,154,91,0.2); border-color: var(--success); }
.option-wrong { background: rgba(228,87,46,0.2); border-color: var(--danger); }

.progress-label { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

.road-sign-item {
  display: flex;
  gap: 14px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}
.road-sign-item img {
  width: 56px; height: 56px; border-radius: 8px; object-fit: cover;
  background: var(--asphalt-light);
}

.pay-tabs {
  display: flex;
  gap: 6px;
  background: var(--asphalt-light);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 18px;
}
.pay-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  padding: 10px 6px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.pay-tab.active { background: var(--yellow); color: var(--asphalt); }
.pay-panel .input:disabled { opacity: 0.4; }
.question-media {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
  background: var(--asphalt-light);
  border-radius: 10px;
  margin-bottom: 16px;
}
.hero {
  background-size: cover;
  background-position: center;
  padding: 70px 20px 60px;
  text-align: center;
}
.hero-inner { max-width: 640px; margin: 0 auto; }
.hero-title {
  font-family: var(--font-display);
  font-size: 30px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
}
.hero-sub { color: var(--white); opacity: 0.85; margin: 14px 0 26px; font-size: 15px; }

.how-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 32px 0 8px;
}
.how-step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.how-num {
  width: 32px; height: 32px;
  background: var(--yellow);
  color: var(--asphalt);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0 auto 10px;
}
.how-title { font-weight: 700; margin-bottom: 4px; }

.testimonial-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 10px;
}

.dashboard-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.multi-hint {
  display: inline-block;
  background: rgba(255,199,44,0.15);
  color: var(--yellow);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
}
.option-btn.option-selected { border-color: var(--yellow); }
.question-text { font-size: 19px; margin-bottom: 20px; }

.stars { color: var(--yellow); font-size: 18px; letter-spacing: 2px; }
.review-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 36px;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 20px 0;
}
.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.nav-link { font-size: 13px; color: var(--muted); }
.nav-link:hover { color: var(--yellow); }
.badge-free {
  display: inline-block;
  background: var(--success);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  margin-left: 8px;
  vertical-align: middle;
}

/* =========================================================
   Responsivitet: mobil (bas) -> iPad/tablet -> dator
   ========================================================= */

/* Mobil (liten telefon) */
@media (max-width: 520px) {
  .category-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 30px 24px; }
  .stat-grid { grid-template-columns: 1fr; }
  .topbar { padding: 16px; }
}

/* iPad / surfplatta (portrait ~768px och uppåt) */
@media (min-width: 700px) {
  .page { padding: 0 32px 100px; }
  .topbar { padding: 24px 32px; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .auth-card { max-width: 420px; }
  h1 { font-size: 32px !important; }
  .hero { padding: 100px 20px 80px; }
  .hero-title { font-size: 42px; }
  .how-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Dator / bred skärm (landscape iPad och uppåt) */
@media (min-width: 1024px) {
  .page { max-width: 1100px; padding: 0 40px 120px; }
  .topbar { max-width: 1100px; padding: 28px 40px; }
  .category-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .pkg-card:hover, .category-tile:hover { cursor: pointer; }
  .card, .auth-card { border-radius: 14px; }
  .stat-grid { gap: 16px; }
  body { font-size: 16px; }

  /* Visa hero-bild bredvid inloggnings-/registreringsformulär på stora skärmar */
  .auth-page-split { flex-direction: row; }
  .auth-hero { display: block; flex: 1 1 45%; }
}

/* Extra bred desktop: begränsa textbredd i lektioner för läsbarhet */
@media (min-width: 1024px) {
  #root .card[style*="line-height"] { max-width: 720px; }
}