/* ========================================
   EXAM DIFFICULTY PAGE STYLES
   ======================================== */

.scp-difficulty-select {
  font-family: 'DM Sans', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

.scp-difficulty-select * { box-sizing: border-box; }

/* Admin bar override */
body.admin-bar .scp-difficulty-main {
  margin-top: 0 !important;
}

body.admin-bar .scp-difficulty-hero {
  padding-top: calc(var(--header-height, 80px) + 40px + 32px);
}

/* Hero Section */
.scp-difficulty-hero {
  background: var(--navy);
}

.scp-difficulty-hero-bg,
.scp-hero-bg-global {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.scp-difficulty-blob1,
.scp-hero-blob-global {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 143, 175, 0.25) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  pointer-events: none;
}

.scp-difficulty-blob2,
.scp-hero-blob-global {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, transparent 70%);
  bottom: -80px;
  right: 10%;
  pointer-events: none;
}

.scp-difficulty-dots,
.scp-hero-dots-global {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
}

.scp-difficulty-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.scp-difficulty-hero h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  margin: 0 0 16px;
}

.scp-difficulty-hero p,
.scp-hero-desc-global {
  font-size: 18px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 0 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.scp-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 14px;
}

.scp-breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

.scp-breadcrumb a:hover {
  color: var(--white);
}

.scp-breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

/* Main Content */
.scp-difficulty-main {
  padding: 30px 0 80px;
}

.scp-container-global {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.scp-difficulty-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 0;
}

@media (max-width: 1000px) {
  .scp-difficulty-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .scp-difficulty-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* Difficulty Card */
.scp-difficulty-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: 14px;
  padding: 18px;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.scp-difficulty-card:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.15);
}

.scp-difficulty-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--navy) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.scp-difficulty-card:hover::before {
  transform: scaleX(1);
}

.scp-difficulty-card.easy::before {
  background: linear-gradient(90deg, #15803d 0%, #22c55e 100%);
}

.scp-difficulty-card.medium::before {
  background: linear-gradient(90deg, #d97706 0%, #f59e0b 100%);
}

.scp-difficulty-card.hard::before {
  background: linear-gradient(90deg, #dc2626 0%, #ef4444 100%);
}

.scp-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.scp-difficulty-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.scp-difficulty-card.easy .scp-difficulty-icon {
  background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
}

.scp-difficulty-card.medium .scp-difficulty-icon {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.scp-difficulty-card.hard .scp-difficulty-icon {
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
}

.scp-difficulty-card:hover .scp-difficulty-icon {
  transform: scale(1.1) rotate(3deg);
}

.scp-difficulty-title {
  font-family: 'Sora', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
  line-height: 1.3;
}

.scp-difficulty-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.5;
  margin: 0;
  min-height: 40px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.scp-card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scp-difficulty-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scp-stat-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-700);
  transition: all 180ms var(--ease);
}

.scp-stat-badge:hover {
  transform: translateY(-1px);
}

.scp-stat-badge.questions {
  background: rgba(27,143,175,0.12);
  color: var(--teal);
  border: 1px solid rgba(27,143,175,0.2);
}

.scp-stat-badge.time {
  background: rgba(245,166,35,0.15);
  color: var(--gold-dark);
  border: 1px solid rgba(245,166,35,0.25);
}

.scp-difficulty-actions {
  display: flex;
  margin-top: auto;
}

.scp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  border-radius: 10px;
  padding: 8px 14px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  font-size: 13px;
  height: 40px;
  flex: 1;
}

.scp-btn-easy {
  background: rgba(22, 163, 74, 0.1);
  color: #15803d;
  border: 1.5px solid rgba(22, 163, 74, 0.3);
}

.scp-btn-easy:hover {
  background: #15803d;
  color: var(--white);
  border-color: #15803d;
  transform: translateY(-2px);
}

.scp-btn-medium {
  background: rgba(245, 166, 35, 0.1);
  color: #d97706;
  border: 1.5px solid rgba(245, 166, 35, 0.3);
}

.scp-btn-medium:hover {
  background: #d97706;
  color: var(--white);
  border-color: #d97706;
  transform: translateY(-2px);
}

.scp-btn-hard {
  background: rgba(220, 38, 38, 0.1);
  color: #dc2626;
  border: 1.5px solid rgba(220, 38, 38, 0.3);
}

.scp-btn-hard:hover {
  background: #dc2626;
  color: var(--white);
  border-color: #dc2626;
  transform: translateY(-2px);
}

/* Empty State */
.scp-empty-state-global {
  text-align: center;
  padding: 100px 24px;
}

.scp-empty-icon {
  font-size: 72px;
  margin-bottom: 28px;
  line-height: 1;
}

.scp-empty-title {
  font-family: 'Sora', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
  line-height: 1.2;
}

.scp-empty-desc {
  font-size: 16px;
  color: var(--gray-500);
  margin-bottom: 36px;
  line-height: 1.6;
}