/* Ana sayfa: hero, adımlı kurulum, biçim/konu/düzey kartları, devam kartı. */

.home-hero {
  max-width: 680px;
  margin: 1.5rem auto 2rem;
  text-align: center;
}

.home-hero .eyebrow {
  margin-bottom: 0.6rem;
}

.home-hero h1 {
  margin-bottom: 0.6rem;
  font-size: clamp(2.1rem, 4.5vw, 2.9rem);
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.home-hero h1 em {
  font-style: italic;
  color: var(--primary);
}

.home-hero p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.setup-stack {
  display: flex;
  max-width: 720px;
  flex-direction: column;
  gap: 1.3rem;
  margin: 0 auto;
}

.resume-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1.5px solid var(--primary);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  box-shadow: 0 8px 24px -6px var(--primary-glow);
}

.resume-info h2 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
}

.resume-info p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.selection-group {
  padding: 1.5rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.selection-label {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}

.selection-hint {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.75rem;
  min-inline-size: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.choice-btn {
  position: relative;
  display: flex;
  min-height: 60px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 0.5rem;
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--bg-surface-alt);
  font-weight: 650;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--fast), background var(--fast), color var(--fast), box-shadow var(--fast),
    transform var(--fast);
}

.choice-btn:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--bg-surface-soft);
}

.choice-btn.selected,
.choice-btn:has(input:checked) {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  /* Seçim ilk bakışta okunsun: kart bir tık öne çıkar. */
  transform: translateY(-1px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 16%, transparent);
}

:root[data-theme="dark"] .choice-btn.selected,
:root[data-theme="dark"] .choice-btn:has(input:checked) {
  color: var(--on-accent);
  box-shadow: 0 0 16px var(--primary-glow);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .choice-btn.selected,
  :root:not([data-theme="light"]) .choice-btn:has(input:checked) {
    color: var(--on-accent);
    box-shadow: 0 0 16px var(--primary-glow);
  }
}

.choice-btn:has(input:focus-visible) {
  outline: 3px solid var(--border-focus);
  outline-offset: 3px;
}

.choice-btn input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
}

.badge-sub {
  margin-top: 2px;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.3;
  opacity: 0.85;
}

.level-card {
  align-items: flex-start;
  padding: 0.85rem 0.9rem;
  text-align: left;
  animation: fade-in var(--base) backwards;
  animation-delay: var(--delay, 0ms);
}

.level-name {
  font-size: 1.02rem;
  font-weight: 750;
}

.level-dot {
  width: 10px;
  height: 10px;
  margin-bottom: 0.5rem;
  border-radius: 50%;
  background: var(--level-color, var(--primary));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--level-color, var(--primary)) 22%, transparent);
}

.level-kolay { --level-color: var(--level-kolay); }
.level-orta { --level-color: var(--level-orta); }
.level-zor { --level-color: var(--level-zor); }
.level-uzman { --level-color: var(--level-uzman); }

.level-tum { --level-color: var(--primary); }

/* Konu modunda boş düzeyler ve havuzu aşan soru adetleri seçilemez. */
.choice-btn.is-disabled,
.choice-btn:has(input:disabled) {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.choice-btn.is-disabled:hover,
.choice-btn:has(input:disabled):hover {
  border-color: var(--border-subtle);
  color: var(--text-secondary);
  background: var(--bg-surface-alt);
}

.mode-picker {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Yanlış defteri kartı iki sütunu kaplar; boşken .is-disabled ile sönük kalır. */
.mode-card-notebook {
  grid-column: 1 / -1;
}

/* Biçim seçildikten sonra hero yalnız üst yazıya iner. */
.home-hero.is-compact h1,
.home-hero.is-compact > p:not(.eyebrow) {
  display: none;
}

.mode-card {
  align-items: flex-start;
  min-height: 96px;
  padding: 1rem 1.05rem;
  text-align: left;
}

.mode-card-name {
  font-size: 1.05rem;
  font-weight: 750;
}

.mode-card .badge-sub {
  margin-top: 6px;
}

/* Adımlı kurulum: her adım tek ekrana sığar, kaydırma gerekmez. */
.setup-steps {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}

.setup-step {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
  animation: fade-in var(--base) both;
}

.setup-step[hidden] {
  display: none;
}

.step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 44px;
}

/* Henüz seçim yokken özet boş kalır; adım çipleri sağa yapışmak yerine ortalanır. */
.step-nav:has(.step-summary:empty) {
  justify-content: center;
}

.step-nav:has(.step-summary:empty) .step-indicator {
  margin: 0;
}

.step-indicator {
  display: flex;
  gap: 0.35rem;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}

.step-indicator li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.65rem 0.3rem 0.35rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 650;
  background: var(--bg-surface);
}

.step-indicator li[hidden] {
  display: none;
}

.step-num {
  display: inline-grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-surface-alt);
  font-size: 0.7rem;
}

.step-indicator li[aria-current="step"] {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.step-indicator li[aria-current="step"] .step-num {
  color: var(--on-accent);
  background: var(--primary);
}

.step-indicator li.is-done .step-num {
  color: var(--primary);
  background: var(--primary-light);
}

.step-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: var(--text-secondary);
  background: var(--bg-surface);
  font-size: 0.88rem;
  font-weight: 650;
  cursor: pointer;
  transition: border-color var(--fast), color var(--fast);
}

.summary-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.summary-chip:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 2px;
}

.topic-grid {
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
}

.topic-card {
  align-items: flex-start;
  min-height: 84px;
  padding: 0.85rem 0.9rem;
  text-align: left;
  animation: fade-in var(--base) backwards;
  animation-delay: var(--delay, 0ms);
}

.topic-card-name {
  font-size: 0.98rem;
  font-weight: 750;
  line-height: 1.25;
}

.topic-card-desc {
  margin-top: 4px;
}

.topic-card-count {
  margin-top: 0.55rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, currentColor 12%, transparent);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.btn-start {
  min-height: 54px;
  font-size: 1.05rem;
}

.btn-start:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  overflow: hidden;
}

.hero-metrics div {
  padding: 14px 18px;
  border-right: 1px solid var(--border-subtle);
  text-align: center;
}

.hero-metrics div:last-child {
  border-right: 0;
}

.hero-metrics strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.hero-metrics span {
  color: var(--text-muted);
  font-size: 0.76rem;
}

.privacy-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-align: center;
}

/* ---- Dar ekran ---- */

@media (max-width: 780px) {
  .home-hero {
    margin: 0.75rem auto 1.25rem;
  }

  .home-hero p {
    font-size: 0.98rem;
  }

  .setup-stack {
    gap: 1rem;
  }

  .selection-group {
    padding: 1.15rem 1rem;
  }

  /* Başlat düğmesi kaydırırken ekranın altında görünür kalır */
  .btn-start {
    position: sticky;
    bottom: 12px;
    z-index: 5;
    box-shadow: 0 6px 20px var(--accent-glow), 0 0 0 6px var(--bg-page);
  }

  .inline-actions .btn {
    flex: 1 1 100%;
  }

  /* Devam kartı mobilde tek sütun ve ortalı */
  .resume-banner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .resume-banner .inline-actions {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-metrics strong {
    font-size: 1.25rem;
  }

  .hero-metrics div {
    padding: 12px 8px;
  }
}