/* Modern Premium DMV Application Styles */

:root {
  --dmv-primary: #2563eb;
  --dmv-primary-hover: #1d4ed8;
  --dmv-primary-light: #eff6ff;
  --dmv-secondary: #0f172a;
  --dmv-accent: #f97316;
  --dmv-accent-hover: #ea580c;
  --dmv-success: #10b981;
  --dmv-success-bg: #ecfdf5;
  --dmv-error: #ef4444;
  --dmv-error-bg: #fef2f2;
  --dmv-warning: #f59e0b;
  --dmv-slate-50: #f8fafc;
  --dmv-slate-100: #f1f5f9;
  --dmv-slate-200: #e2e8f0;
  --dmv-slate-600: #475569;
  --dmv-slate-800: #1e293b;
  --dmv-radius: 16px;
  --dmv-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}

.dmv-app-wrapper {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--dmv-slate-800);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(226, 232, 240, 0.8);
  margin: 1.5rem auto;
  max-width: 1200px;
}

/* Navbar Navigation */
.dmv-navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: var(--dmv-radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--dmv-shadow);
}

.dmv-navbar-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.dmv-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dmv-brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.dmv-brand-title {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--dmv-slate-800);
  display: block;
}

.dmv-brand-subtitle {
  font-size: 0.75rem;
  color: var(--dmv-slate-600);
  display: block;
}

.dmv-nav-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.dmv-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dmv-slate-600);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dmv-tab-btn:hover {
  background: var(--dmv-slate-100);
  color: var(--dmv-primary);
}

.dmv-tab-btn.active {
  background: var(--dmv-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.dmv-tab-btn.dmv-tab-exam {
  background: linear-gradient(135deg, #fff7ed, #ffedd5);
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.dmv-tab-btn.dmv-tab-exam:hover, .dmv-tab-btn.dmv-tab-exam.active {
  background: linear-gradient(135deg, #ea580c, #c2410c);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(234, 88, 12, 0.3);
}

.dmv-badge-count {
  background: #ef4444;
  color: #ffffff;
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-weight: 700;
}

/* Quick Modes Banner */
.dmv-quick-modes-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.dmv-mode-card {
  background: #ffffff;
  border-radius: var(--dmv-radius);
  padding: 1.5rem;
  border: 1px solid var(--dmv-slate-200);
  box-shadow: var(--dmv-shadow);
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.dmv-mode-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.dmv-mode-card-exam {
  border-color: #fdba74;
  background: linear-gradient(135deg, #ffffff 0%, #fff7ed 100%);
}

.dmv-mode-card-random {
  border-color: #93c5fd;
  background: linear-gradient(135deg, #ffffff 0%, #eff6ff 100%);
}

.dmv-mode-card-errors {
  border-color: #fca5a5;
  background: linear-gradient(135deg, #ffffff 0%, #fef2f2 100%);
}

.dmv-mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.dmv-mode-icon {
  font-size: 1.8rem;
}

.dmv-mode-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--dmv-slate-800);
}

.dmv-mode-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 0.4rem 0;
  color: var(--dmv-slate-800);
}

.dmv-mode-card p {
  font-size: 0.85rem;
  color: var(--dmv-slate-600);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

.dmv-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--dmv-primary);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

/* Section Header */
.dmv-section-header {
  margin-bottom: 1.25rem;
  text-align: left;
}

.dmv-section-header h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dmv-slate-800);
  margin: 0 0 0.25rem 0;
}

.dmv-section-header p {
  font-size: 0.875rem;
  color: var(--dmv-slate-600);
  margin: 0;
}

/* Standard Tests Grid */
.dmv-tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.dmv-test-card {
  background: #ffffff;
  border-radius: var(--dmv-radius);
  padding: 1.25rem;
  border: 1px solid var(--dmv-slate-200);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.dmv-test-card:hover {
  transform: translateY(-3px);
  border-color: var(--dmv-primary);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.12);
}

.dmv-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.dmv-test-num-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--dmv-primary);
  background: var(--dmv-primary-light);
  padding: 0.2rem 0.55rem;
  border-radius: 8px;
}

.dmv-status-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.pill-passed { background: var(--dmv-success-bg); color: var(--dmv-success); }
.pill-failed { background: var(--dmv-error-bg); color: var(--dmv-error); }
.pill-in-progress { background: #e0f2fe; color: #0284c7; }
.pill-not-started { background: var(--dmv-slate-100); color: var(--dmv-slate-600); }

.dmv-test-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--dmv-slate-800);
}

.dmv-card-stats {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.dmv-stat-pill {
  font-size: 0.75rem;
  padding: 0.2rem 0.4rem;
  border-radius: 6px;
  background: var(--dmv-slate-100);
  color: var(--dmv-slate-600);
}

.dmv-stat-pill.success {
  background: var(--dmv-success-bg);
  color: var(--dmv-success);
  font-weight: 600;
}

.dmv-card-hint {
  font-size: 0.75rem;
  color: var(--dmv-slate-600);
  font-style: italic;
}

.dmv-card-footer {
  font-size: 0.7rem;
  color: var(--dmv-slate-600);
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed var(--dmv-slate-200);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
}

/* Quiz Runner Screen */
.dmv-quiz-runner {
  background: #ffffff;
  border-radius: var(--dmv-radius);
  padding: 1.75rem;
  box-shadow: var(--dmv-shadow);
  border: 1px solid var(--dmv-slate-200);
}

.dmv-quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--dmv-slate-200);
}

.dmv-btn-back {
  background: var(--dmv-slate-100);
  border: none;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--dmv-slate-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.dmv-btn-back:hover {
  background: var(--dmv-slate-200);
  color: var(--dmv-slate-800);
}

.dmv-quiz-title-box h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.dmv-timer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: #ffedd5;
  color: #c2410c;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-top: 0.3rem;
}

.dmv-timer-badge.warning {
  background: #fee2e2;
  color: #dc2626;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.dmv-quiz-counter {
  font-size: 0.9rem;
  color: var(--dmv-slate-600);
}

/* Pills Navigator Bar */
.dmv-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.dmv-pill-item {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--dmv-slate-200);
  background: var(--dmv-slate-50);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--dmv-slate-600);
  cursor: pointer;
  transition: all 0.15s ease;
}

.dmv-pill-item.current {
  border-color: var(--dmv-primary);
  background: var(--dmv-primary-light);
  color: var(--dmv-primary);
}

.dmv-pill-item.correct {
  background: var(--dmv-success);
  color: #ffffff;
  border-color: var(--dmv-success);
}

.dmv-pill-item.incorrect {
  background: var(--dmv-error);
  color: #ffffff;
  border-color: var(--dmv-error);
}

/* Question Card */
.dmv-question-card {
  text-align: left;
}

.dmv-question-text {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--dmv-slate-800);
  margin-bottom: 1.25rem;
}

.dmv-question-img-wrapper {
  margin-bottom: 1.5rem;
  text-align: center;
}

.dmv-question-img {
  max-height: 220px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.08);
  border: 1px solid var(--dmv-slate-200);
}

.dmv-answers-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.dmv-answer-btn {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  border: 2px solid var(--dmv-slate-200);
  background: #ffffff;
  text-align: left;
  font-size: 0.95rem;
  color: var(--dmv-slate-800);
  cursor: pointer;
  transition: all 0.2s ease;
  width: 100%;
}

.dmv-answer-btn:hover:not(:disabled) {
  border-color: var(--dmv-primary);
  background: var(--dmv-primary-light);
}

.dmv-answer-selected {
  border-color: var(--dmv-primary);
  background: var(--dmv-primary-light);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.dmv-answer-btn.answer-correct {
  border-color: var(--dmv-success);
  background: var(--dmv-success-bg);
  color: #065f46;
  font-weight: 600;
}

.dmv-answer-btn.answer-incorrect {
  border-color: var(--dmv-error);
  background: var(--dmv-error-bg);
  color: #991b1b;
}

.dmv-opt-letter {
  font-weight: 800;
  color: var(--dmv-slate-600);
  flex-shrink: 0;
}

.dmv-explanation-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 14px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  color: #166534;
}

.dmv-exp-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
}

.dmv-explanation-box p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.dmv-quiz-footer {
  display: flex;
  justify-content: flex-end;
}

.dmv-btn-check, .dmv-btn-next, .dmv-btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.25);
  transition: all 0.2s ease;
}

.dmv-btn-check:hover:not(:disabled), .dmv-btn-next:hover, .dmv-btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(37, 99, 235, 0.35);
}

.dmv-btn-check:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.dmv-btn-secondary {
  background: var(--dmv-slate-100);
  color: var(--dmv-slate-800);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--dmv-slate-200);
  cursor: pointer;
}

/* Results Summary */
.dmv-quiz-results-card {
  background: #ffffff;
  border-radius: var(--dmv-radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: var(--dmv-shadow);
  max-width: 100%;
  box-sizing: border-box;
}

.dmv-results-icon {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
}

.dmv-results-badge h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
}

.dmv-results-desc {
  font-size: 1rem;
  color: var(--dmv-slate-600);
  max-width: 500px;
  margin: 0 auto 2rem auto;
}

.dmv-results-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.dmv-metric-box {
  background: var(--dmv-slate-50);
  padding: 1rem 0.75rem;
  border-radius: 16px;
  border: 1px solid var(--dmv-slate-200);
  box-sizing: border-box;
  min-width: 0;
}

.dmv-metric-val {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--dmv-slate-800);
}

.dmv-metric-val.success { color: var(--dmv-success); }
.dmv-metric-val.error { color: var(--dmv-error); }

.dmv-metric-lbl {
  font-size: 0.8rem;
  color: var(--dmv-slate-600);
  font-weight: 600;
  white-space: nowrap;
}

.dmv-results-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* Dashboard Statistics */
.dmv-stats-dashboard {
  background: #ffffff;
  border-radius: var(--dmv-radius);
  padding: 2rem;
  box-shadow: var(--dmv-shadow);
  text-align: left;
}

.dmv-stats-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dmv-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.dmv-kpi-card {
  background: var(--dmv-slate-50);
  border-radius: 14px;
  padding: 1.25rem;
  border: 1px solid var(--dmv-slate-200);
  text-align: center;
}

.dmv-kpi-val {
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--dmv-slate-800);
}

.dmv-kpi-val.success { color: var(--dmv-success); }
.dmv-kpi-val.highlight { color: var(--dmv-primary); }
.dmv-kpi-val.error { color: var(--dmv-error); }

.dmv-kpi-lbl {
  font-size: 0.75rem;
  color: var(--dmv-slate-600);
  font-weight: 600;
  margin-top: 0.2rem;
}

.dmv-stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.dmv-stats-table th, .dmv-stats-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--dmv-slate-200);
  font-size: 0.9rem;
}

.dmv-stats-table th {
  background: var(--dmv-slate-50);
  font-weight: 700;
  color: var(--dmv-slate-600);
}

.dmv-rate-badge {
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}
.dmv-rate-badge.high { background: var(--dmv-success-bg); color: var(--dmv-success); }
.dmv-rate-badge.low { background: var(--dmv-error-bg); color: var(--dmv-error); }

/* Loading & Error States */
.dmv-loading-state, .dmv-error-state {
  padding: 4rem 2rem;
  text-align: center;
}

.dmv-spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--dmv-slate-200);
  border-top-color: var(--dmv-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem auto;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .dmv-app-wrapper {
    padding: 0.85rem;
  }
  .dmv-navbar-content {
    flex-direction: column;
    align-items: stretch;
  }
  .dmv-nav-tabs {
    justify-content: center;
  }
  .dmv-tab-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
  }
}

/* Modal styles */
.dmv-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1rem;
}

.dmv-modal-card {
  background: #ffffff;
  border-radius: 16px;
  max-width: 440px;
  width: 100%;
  padding: 1.75rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  text-align: center;
  animation: dmvModalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dmvModalPop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.dmv-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dmv-slate-800);
  margin: 0 0 0.5rem 0;
}

.dmv-modal-desc {
  font-size: 0.9rem;
  color: var(--dmv-slate-600);
  margin: 0 0 1.5rem 0;
  line-height: 1.5;
}

.dmv-modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dmv-modal-btn-continue {
  background: var(--dmv-primary);
  color: white;
  border: none;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
}

.dmv-modal-btn-continue:hover {
  background: var(--dmv-primary-hover);
}

.dmv-modal-btn-restart {
  background: var(--dmv-slate-100);
  color: var(--dmv-slate-700);
  border: 1px solid var(--dmv-slate-200);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
}

.dmv-modal-btn-restart:hover {
  background: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
}

.dmv-modal-btn-cancel {
  background: transparent;
  color: var(--dmv-slate-600);
  border: none;
  padding: 0.5rem;
  font-size: 0.85rem;
  cursor: pointer;
}