/* ============================================================
   Practice / Alıştırma stilleri
   ============================================================ */

/* Giriş kartı */
.practice-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  text-align: center;
  margin-top: 12px;
}

.practice-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 14px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 118, 110, .25);
}

.practice-icon svg {
  width: 32px;
  height: 32px;
  stroke-width: 2.4;
}

.practice-card h2 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.practice-card p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.55;
  margin: 0 auto 22px;
  max-width: 520px;
}

.practice-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 22px 0;
}

.feat {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.feat-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.02em;
}

.feat-label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.practice-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

/* Quiz üst bar */
.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 8px;
}

.quiz-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.quiz-category {
  background: var(--primary-soft);
  color: var(--primary);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .02em;
}

.quiz-counter {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.quiz-timer {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 16px;
  letter-spacing: .02em;
  min-width: 96px;
  text-align: center;
  transition: .25s;
}

.quiz-timer.warning {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

.quiz-timer.danger {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
  animation: pulse .9s infinite;
}

@keyframes pulse {
  50% { transform: scale(1.04); }
}

.quiz-progress {
  height: 6px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  margin: 12px 0 18px;
}

.quiz-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transition: width .35s ease;
}

/* Soru kartı */
.quiz-question-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 22px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}

.quiz-question {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  margin: 0 0 18px;
  letter-spacing: -.01em;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.opt-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: .18s;
  min-height: 56px;
}

.opt-btn:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-1px);
}

.opt-btn:active:not(:disabled) {
  transform: scale(.99);
}

.opt-btn:disabled {
  cursor: default;
  opacity: .9;
}

.opt-letter {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
  color: var(--ink-2);
  transition: .18s;
}

.opt-text {
  flex: 1;
  line-height: 1.4;
}

.opt-btn:hover:not(:disabled) .opt-letter {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.opt-btn.correct {
  border-color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, var(--surface));
}

.opt-btn.correct .opt-letter {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.opt-btn.wrong {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.opt-btn.wrong .opt-letter {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.opt-mark {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border-radius: 999px;
  border: 2px solid var(--line);
  background: transparent;
  transition: .18s;
}

.opt-btn.correct .opt-mark {
  background: var(--success);
  border-color: var(--success);
  box-shadow: inset 0 0 0 2px #fff;
}

.opt-btn.wrong .opt-mark {
  background: var(--danger);
  border-color: var(--danger);
  box-shadow: inset 0 0 0 2px #fff;
}

/* Geri bildirim */
.quiz-feedback {
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--r-xl);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 14px;
  animation: slideUp .35s ease;
}

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

.quiz-feedback.ok {
  border-color: var(--success);
  background: linear-gradient(180deg, color-mix(in srgb, var(--success) 8%, transparent), transparent 50%), var(--surface);
}

.quiz-feedback.err {
  border-color: var(--danger);
  background: linear-gradient(180deg, color-mix(in srgb, var(--danger) 8%, transparent), transparent 50%), var(--surface);
}

.fb-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.fb-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #fff;
}

.quiz-feedback.ok .fb-icon {
  background: var(--success);
}

.quiz-feedback.err .fb-icon {
  background: var(--danger);
}

.fb-icon svg {
  width: 20px;
  height: 20px;
}

.fb-badge {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
}

.quiz-feedback.ok .fb-badge {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  color: var(--success);
}

.quiz-feedback.err .fb-badge {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger);
}

.fb-text {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.5;
}

.fb-why {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}

.fb-source {
  margin-bottom: 14px;
}

.fb-source .source-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Özet ekranı */
.summary-hero {
  background: linear-gradient(135deg, var(--primary-soft), transparent 70%), var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  padding: 26px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.summary-hero h2 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.summary-score {
  font-size: clamp(38px, 9vw, 56px);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.04em;
  line-height: 1.05;
  margin: 4px 0 18px;
  font-variant-numeric: tabular-nums;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.summary-stats .stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-stats .stat span {
  font-size: 10px;
  color: var(--muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.summary-stats .stat strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.summary-stats .stat.ok strong { color: var(--success); }
.summary-stats .stat.err strong { color: var(--danger); }

.sum-head {
  margin: 22px 0 12px;
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sum-item {
  display: flex;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}

.sum-item.ok { border-left-color: var(--success); }
.sum-item.err { border-left-color: var(--danger); }

.sum-num {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
  color: var(--ink-2);
}

.sum-item.ok .sum-num {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.sum-item.err .sum-num {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.sum-body {
  flex: 1;
  min-width: 0;
}

.sum-q {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.45;
}

.sum-ans {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 6px;
  line-height: 1.5;
}

.sum-ans .badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .03em;
  margin-left: 4px;
}

.sum-ans .badge.ok {
  background: color-mix(in srgb, var(--success) 14%, transparent);
  color: var(--success);
}

.sum-ans .badge.err {
  background: color-mix(in srgb, var(--danger) 14%, transparent);
  color: var(--danger);
}

.sum-why {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 8px;
}

.sum-body .source-link {
  font-size: 12px;
}

/* Responsive */
@media (max-width: 520px) {
  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .practice-features {
    grid-template-columns: repeat(3, 1fr);
  }
  .feat {
    padding: 12px 6px;
  }
  .feat-num {
    font-size: 18px;
  }
  .quiz-question {
    font-size: 16px;
  }
}