/* ===== CSS Variables & Reset ===== */
:root {
  --primary: #6C5CE7;
  --primary-dark: #5A4BD1;
  --primary-light: #A29BFE;
  --secondary: #00CEC9;
  --accent: #FD79A8;
  --success: #00B894;
  --warning: #FDCB6E;
  --danger: #E17055;
  --dark: #2D3436;
  --gray-900: #1a1a2e;
  --gray-800: #2d2d44;
  --gray-700: #404060;
  --gray-600: #636e72;
  --gray-400: #b2bec3;
  --gray-200: #dfe6e9;
  --gray-100: #f0f3f5;
  --white: #ffffff;
  --bg: #f8f9fd;
  --card-bg: #ffffff;
  --shadow-sm: 0 2px 8px rgba(108,92,231,0.08);
  --shadow-md: 0 4px 20px rgba(108,92,231,0.12);
  --shadow-lg: 0 8px 40px rgba(108,92,231,0.16);
  --shadow-glow: 0 0 30px rgba(108,92,231,0.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); }
button { cursor: pointer; border: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ===== Navbar ===== */
.navbar {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  background: rgba(255,255,255,0.92);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
}
.logo-icon { font-size: 1.5rem; }
.logo .accent { color: var(--primary); }
.nav-links { display: flex; gap: 8px; }
.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--gray-600);
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.95rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(108,92,231,0.08);
}
.mobile-menu-btn {
  display: none;
  background: none;
  font-size: 1.5rem;
  color: var(--dark);
}
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 8px 20px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 0;
  color: var(--dark);
  font-weight: 500;
  border-bottom: 1px solid var(--gray-100);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #8B7CF6 50%, var(--secondary) 100%);
  padding: 80px 20px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
  animation: heroPulse 8s ease-in-out infinite;
}
@keyframes heroPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.3;
}
.highlight {
  background: linear-gradient(90deg, #ffeaa7, #fdcb6e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 8px;
  font-weight: 500;
}
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
}
.hero-decoration {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}
.floating-card {
  position: absolute;
  font-size: 2rem;
  animation: float 6s ease-in-out infinite;
  opacity: 0.3;
}
.card-1 { top: 20%; left: 10%; animation-delay: 0s; }
.card-2 { top: 30%; right: 12%; animation-delay: 1.5s; }
.card-3 { bottom: 25%; left: 15%; animation-delay: 3s; }
.card-4 { bottom: 20%; right: 10%; animation-delay: 4.5s; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-15px) rotate(5deg); }
  66% { transform: translateY(10px) rotate(-3deg); }
}

/* ===== Sections ===== */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px;
}
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.section-desc {
  color: var(--gray-600);
  margin-bottom: 32px;
  font-size: 1rem;
}
.breadcrumb {
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--gray-600);
}
.breadcrumb a { color: var(--primary); }

/* ===== Certificate Grid ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.cert-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: var(--transition);
}
.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.cert-card:hover::before { transform: scaleX(1); }
.cert-card.featured {
  border-color: var(--primary-light);
  background: linear-gradient(135deg, rgba(108,92,231,0.03), rgba(0,206,201,0.03));
}

/* ===== 즐겨찾기 버튼 ===== */
.fav-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border: 1.5px solid #c0c0c0;
  font-size: 0.8rem;
  cursor: pointer;
  color: #666;
  transition: all 0.2s ease;
  z-index: 2;
  padding: 5px 11px;
  border-radius: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.fav-btn:hover {
  border-color: #999;
  color: #444;
  background: #eaeaea;
  transform: scale(1.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.fav-btn.fav-active {
  color: #fff;
  border-color: #e8b800;
  background: linear-gradient(135deg, #FDCB6E, #e8b800);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(253,203,110,0.4);
}
.fav-btn .fav-label {
  font-size: 0.75rem;
  font-family: var(--font);
}

/* 준비중 카드 */
.cert-card.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}
.cert-card.disabled:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: transparent;
}
.badge-prepare {
  background: var(--gray-200);
  color: var(--gray-600);
  padding: 2px 10px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.85rem;
}
.cert-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cert-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.cert-desc { color: var(--gray-600); font-size: 0.9rem; line-height: 1.5; margin-bottom: 12px; }
.cert-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--gray-400);
}
.cert-meta .count {
  background: rgba(108,92,231,0.1);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 600;
}

/* ===== Exam Grid ===== */
.exam-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.exam-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}
.exam-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.exam-card .year { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.exam-card .round { font-size: 1.1rem; color: var(--dark); margin: 4px 0; }
.exam-card .count { font-size: 0.85rem; color: var(--gray-600); }

/* ===== Subject Grid ===== */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.subject-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  border-left: 4px solid var(--primary);
}
.subject-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}
.subject-card .subject-num {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.subject-card .subject-name { font-size: 1.1rem; font-weight: 600; margin: 8px 0 4px; }
.subject-card .subject-count { font-size: 0.85rem; color: var(--gray-600); }

/* ===== Quiz ===== */
.quiz-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
.quiz-header {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

/* ★ 뒤로가기 버튼 + 제목 가로 배치 */
.quiz-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.btn-back {
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--gray-600);
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-back:hover {
  background: var(--gray-100);
  color: var(--dark);
}

.quiz-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.quiz-info #quizTitle { font-weight: 700; font-size: 1.1rem; }
.quiz-progress {
  background: var(--primary);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-left: auto;
  flex-shrink: 0;
}
.progress-bar {
  background: var(--gray-200);
  border-radius: 10px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 12px;
}
.progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  height: 100%;
  border-radius: 10px;
  transition: width 0.4s ease;
}
.quiz-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.quiz-nav button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-600);
  transition: var(--transition);
}
.quiz-nav button.current {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-glow);
}
.quiz-nav button.answered {
  background: var(--success);
  color: var(--white);
}

.quiz-body { margin-bottom: 20px; }
.question-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.question-num {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
}
.question-text {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 24px;
  color: var(--dark);
}
.choices { display: flex; flex-direction: column; gap: 12px; }
.choice {
  display: flex;
  align-items: flex-start;
  padding: 16px 20px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  gap: 12px;
  min-height: 0;
}
.choice:hover {
  border-color: var(--primary-light);
  background: rgba(108,92,231,0.04);
}
.choice.selected {
  border-color: var(--primary);
  background: rgba(108,92,231,0.08);
}
.choice-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--gray-600);
  flex-shrink: 0;
  transition: var(--transition);
}
.choice.selected .choice-num {
  background: var(--primary);
  color: var(--white);
}
.choice-text {
  font-size: 1rem;
  line-height: 1.5;
  word-break: keep-all;
  overflow-wrap: break-word;
  white-space: normal;
}

/* 코드 블록 (pre 태그) */
.question-text pre,
.choice-text pre,
.ri-question pre {
  background: #f1f3f5;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 14px 16px;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  margin: 12px 0;
  white-space: pre-wrap;
  word-break: break-all;
  color: #2d3436;
}

.quiz-footer {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 20px;
}

/* ===== Buttons ===== */
.btn {
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
}
.btn-success {
  background: var(--success);
  color: var(--white);
}
.btn-success:hover { background: #00a884; }
.btn-danger {
  background: var(--danger);
  color: var(--white);
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ===== Result Page ===== */
.result-header {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.score-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  box-shadow: var(--shadow-glow);
}
.score-circle.fail {
  background: linear-gradient(135deg, var(--danger), #e84393);
}
.score-number { font-size: 3rem; font-weight: 800; line-height: 1; }
.score-label { font-size: 1rem; opacity: 0.9; }
.result-info h2 { font-size: 1.5rem; margin-bottom: 8px; }
.result-info p { color: var(--gray-600); margin-bottom: 12px; }

.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.95rem;
}
.badge-success { background: rgba(0,184,148,0.15); color: var(--success); }
.badge-danger { background: rgba(225,112,85,0.15); color: var(--danger); }

.result-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--gray-200);
  padding-bottom: 0;
}
.tab {
  padding: 12px 20px;
  background: none;
  color: var(--gray-600);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab:hover { color: var(--primary); }
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.result-list { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.result-item {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--success);
}
.result-item.wrong { border-left-color: var(--danger); }
.result-item .ri-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.ri-num {
  background: var(--gray-100);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
}
.ri-status {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 12px;
}
.ri-status.correct { background: rgba(0,184,148,0.15); color: var(--success); }
.ri-status.incorrect { background: rgba(225,112,85,0.15); color: var(--danger); }
.ri-question { font-weight: 500; margin-bottom: 12px; line-height: 1.6; }
.ri-choices { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 12px; }
.ri-choices .my-answer { color: var(--danger); font-weight: 600; }
.ri-choices .correct-answer { color: var(--success); font-weight: 600; }
.ri-explanation {
  background: rgba(108,92,231,0.05);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.6;
}
.ri-explanation::before {
  content: '💡 해설: ';
  font-weight: 700;
  color: var(--primary);
}

.subject-scores {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.subject-score-item {
  background: var(--card-bg);
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.subject-score-item .ss-name { font-weight: 600; margin-bottom: 4px; }
.subject-score-item .ss-score { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.subject-score-item .ss-score.fail { color: var(--danger); }

.result-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Board ===== */
.board-cert-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}
.board-cert-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 16px;
}
.board-cert-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.board-cert-card .bci { font-size: 2rem; }
.board-cert-card .bcn { font-weight: 600; font-size: 1.05rem; }

.board-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.board-list {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.board-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: var(--transition);
  gap: 8px 16px;
}
.board-item:hover { background: rgba(108,92,231,0.04); }
.board-item:last-child { border-bottom: none; }
.bi-title { flex: 1; font-weight: 500; }
.bi-preview {
  width: 100%;
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  order: 2;
}
.bi-comments {
  background: var(--primary);
  color: var(--white);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.bi-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--gray-600);
  white-space: nowrap;
  order: 3;
}
.board-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--gray-400);
}

.post-detail {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}
.post-detail .pd-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 16px; }
.post-detail .pd-meta {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.post-detail .pd-content { line-height: 1.8; font-size: 1rem; white-space: pre-wrap; }

.comment-section h3 { font-size: 1.1rem; margin-bottom: 16px; }
.comment-list, #commentList { margin-bottom: 20px; }
.comment-item {
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 8px;
}
.comment-item .ci-meta {
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}
.comment-item .ci-content { font-size: 0.95rem; }
.comment-form {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.comment-form input,
.comment-form textarea {
  padding: 12px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  width: 100%;
}
.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.captcha-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.captcha-row span {
  background: var(--gray-100);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
}
.captcha-row input {
  width: 80px;
  padding: 8px 12px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
}
.captcha-row input:last-child { width: 160px; }

.pagination {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-top: 24px;
}
.pagination button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  color: var(--gray-600);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.pagination button:hover, .pagination button.active {
  background: var(--primary);
  color: var(--white);
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}
.modal-header h3 { font-size: 1.2rem; font-weight: 700; }
.modal-close {
  background: none;
  font-size: 1.2rem;
  color: var(--gray-600);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--gray-100); }
.modal-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.modal-body input,
.modal-body textarea {
  padding: 12px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  width: 100%;
}
.modal-body input:focus,
.modal-body textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ===== Loading & Misc ===== */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 40px;
  color: var(--gray-600);
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page { display: none; }
.page.active { display: block; }

/* ===== Footer ===== */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 32px 20px;
  margin-top: 40px;
}
.footer-content p { margin-bottom: 4px; }
.footer-sub { font-size: 0.85rem; opacity: 0.6; }

/* ===== Mock Subject Selection ===== */
.mock-subject-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.mock-subject-actions .btn {
  min-width: 140px;
}
.mock-subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.mock-subject-card {
  background: #fff;
  border: 2px solid #e8ecf1;
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  user-select: none;
}
.mock-subject-card:hover {
  border-color: #4A90D9;
  box-shadow: 0 4px 16px rgba(74, 144, 217, 0.12);
  transform: translateY(-2px);
}
.mock-subject-card.selected {
  border-color: #4A90D9;
  background: linear-gradient(135deg, #f0f7ff, #e8f4fd);
  box-shadow: 0 4px 16px rgba(74, 144, 217, 0.18);
}
.mock-subject-card .msc-checkbox {
  font-size: 1.5rem;
  margin-bottom: 8px;
}
.mock-subject-card .msc-num {
  font-size: 0.8rem;
  color: #4A90D9;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.mock-subject-card .msc-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: #2d3436;
  margin-bottom: 8px;
  line-height: 1.4;
}
.mock-subject-card .msc-count {
  font-size: 0.85rem;
  color: #636e72;
  background: #f1f3f5;
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
}
.mock-subject-card.selected .msc-count {
  background: #d6e8f7;
  color: #2d6da3;
}
#mockStartBtn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
@media (max-width: 600px) {
  .mock-subject-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .mock-subject-card {
    padding: 14px 10px;
  }
  .mock-subject-card .msc-name {
    font-size: 0.92rem;
  }
  .mock-subject-actions {
    flex-direction: column;
  }
  .mock-subject-actions .btn {
    width: 100%;
  }
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--gray-900);
  color: var(--white);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: 300;
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero h1 { font-size: 1.8rem; }
  .hero { padding: 60px 20px 40px; }
  .section { padding: 32px 16px; }
  .section-title { font-size: 1.4rem; }
  .cert-grid { grid-template-columns: 1fr; }
  .exam-grid { grid-template-columns: repeat(2, 1fr); }
  .subject-grid { grid-template-columns: 1fr; }
  .result-header { flex-direction: column; text-align: center; }
  .quiz-nav { justify-content: center; }
  .board-header { flex-direction: column; align-items: flex-start; }
  .bi-meta { gap: 8px; }
  .board-item { flex-wrap: wrap; }
  .post-detail { padding: 20px; }
  .quiz-header { position: static; }
  .quiz-container { padding: 12px; }
  .question-card { padding: 20px; }
}

/* ===== 모의고사 출처 표시 + 네비게이션 스크롤 ===== */

/* 문제번호 + 출처 가로 배치 */
.question-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

/* 모의고사 문제 출처 라벨 */
.question-source {
  font-size: 0.78rem;
  color: #636e72;
  padding: 0.2rem 0.6rem;
  background: #f1f3f5;
  border-radius: 6px;
  display: inline-block;
  border: 1px solid #dee2e6;
  white-space: nowrap;
}

/* 채점 결과 출처 표시 */
.ri-source {
  font-size: 0.78rem;
  color: #868e96;
  font-weight: normal;
  margin-left: 0.4rem;
}

/* 모의고사 네비게이션 바 스크롤 */
.quiz-nav {
  max-height: 150px;
  overflow-y: auto;
}

.quiz-nav::-webkit-scrollbar { width: 5px; }
.quiz-nav::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }
.quiz-nav::-webkit-scrollbar-track { background: transparent; }

/* ===== 문제 이미지 (★ 이미지 지원) ===== */
.question-image {
  margin: 1rem 0;
  text-align: center;
}

.question-image img {
  max-width: 100%;
  max-height: 400px;
  border-radius: 12px;
  border: 1px solid #e0e0e0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  background: #fff;
}

@media (max-width: 600px) {
  .question-image img {
    max-height: 250px;
  }
}

/* ===== 표 렌더링 스타일 (Table Rendering) ★ 표 편집기 연동 ===== */ */
.question-table-wrapper {
  overflow-x: auto;
  margin: 12px 0;
  -webkit-overflow-scrolling: touch;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}
.question-table-wrapper table.exam-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 280px;
  font-size: 0.95rem;
}
.question-table-wrapper table.exam-table th,
.question-table-wrapper table.exam-table td {
  border: 1px solid #dee2e6;
  padding: 8px 12px;
  text-align: center;
  vertical-align: middle;
}
.question-table-wrapper table.exam-table th {
  background-color: #f0f3f5;
  font-weight: 600;
  color: var(--dark);
}
.question-table-wrapper table.exam-table tr:nth-child(even) {
  background-color: #fafbfc;
}
.question-table-wrapper table.exam-table tr:hover {
  background-color: rgba(108,92,231,0.04);
}

/* 다크 모드 표 지원 */
body.dark .question-table-wrapper {
  border-color: #2a3a5c;
}
body.dark .question-table-wrapper table.exam-table th,
body.dark .question-table-wrapper table.exam-table td {
  border-color: #2a3a5c;
  color: #e0e0e0;
}
body.dark .question-table-wrapper table.exam-table th {
  background-color: #1e2a45;
}
body.dark .question-table-wrapper table.exam-table tr:nth-child(even) {
  background-color: rgba(255,255,255,0.02);
}

/* 모바일 표 */
@media (max-width: 600px) {
  .question-table-wrapper table.exam-table {
    font-size: 0.85rem;
    min-width: 240px;
  }
  .question-table-wrapper table.exam-table th,
  .question-table-wrapper table.exam-table td {
    padding: 6px 8px;
  }
}

/* ===== 지문 박스 스타일 (Reference Box) ★ 추가됨 ===== */
.reference-box {
  border: 2px solid #6C5CE7;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 12px 0;
  background: rgba(108, 92, 231, 0.04);
  line-height: 1.7;
  font-size: 1rem;
  overflow-x: auto;
}
.reference-box pre {
  background: #f1f3f5;
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 14px 16px;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  margin: 8px 0;
  white-space: pre-wrap;
  word-break: break-all;
}
.reference-box table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0;
}
.reference-box td, .reference-box th {
  border: 1px solid #dee2e6;
  padding: 8px 12px;
  text-align: center;
}
.reference-box ul, .reference-box ol {
  margin: 8px 0;
  padding-left: 24px;
}
.reference-box li {
  margin: 4px 0;
}

/* ===== 다크모드 - 즐겨찾기 버튼 ===== */
body.dark .fav-btn { color: #777; border-color: #3a3a5c; background: rgba(30,42,69,0.9); }
body.dark .fav-btn:hover { color: #FDCB6E; border-color: #FDCB6E; background: rgba(253,203,110,0.08); }
body.dark .fav-btn.fav-active { color: #FDCB6E; border-color: #FDCB6E; background: rgba(253,203,110,0.1); }

/* ===== 게시판 통계 + NEW 뱃지 ===== */

/* 카드 내부 텍스트 영역 wrapper (아이콘 오른쪽) */
.bc-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.board-stats-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 0.82rem;
}

.board-count {
  color: #888;
  font-size: 0.8rem;
}

.board-new-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: linear-gradient(135deg, #ff6b6b, #ee5a24);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  border-radius: 10px;
  letter-spacing: 0.5px;
  animation: new-pulse 2s ease-in-out infinite;
  line-height: 1.4;
}

@keyframes new-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.85; transform: scale(1.05); }
}

/* 다크 모드 */
body.dark .board-count { color: #aaa; }
body.dark .board-new-badge {
  background: linear-gradient(135deg, #ff4757, #e84393);
}

/* ===== 게시판 확장 — 탭 / 인기글 / 검색 ===== */

.board-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.board-tab {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}
.board-tab:hover {
  border-color: var(--primary-light);
  color: var(--primary);
}
.board-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* 인기글 랭킹 */
.popular-item { position: relative; padding-left: 56px !important; }
.popular-rank {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--gray-600);
}
.popular-rank.top {
  background: linear-gradient(135deg, #f9ca24, #f0932b);
  color: #fff;
}
.bi-cert-icon { font-size: 1.2rem; margin-right: 4px; }
.bi-cert-name {
  font-size: 0.78rem;
  color: var(--primary);
  background: rgba(108,92,231,0.08);
  padding: 1px 8px;
  border-radius: 10px;
}
.bi-views.highlight { color: var(--danger); font-weight: 600; }

/* 검색 */
.board-search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.board-search-bar input {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}
.board-search-bar input:focus { border-color: var(--primary); }
.board-search-bar button { padding: 10px 20px; }
.search-count { font-size: 0.9rem; color: var(--gray-600); margin-bottom: 12px; }
mark.search-hl {
  background: rgba(253,203,110,0.4);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}
.bi-preview {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* 다크 모드 */
body.dark .board-tab { background: #1e2a45; border-color: #2a3a5c; color: #aaa; }
body.dark .board-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
body.dark .popular-rank { background: #2a3a5c; color: #aaa; }
body.dark .popular-rank.top { background: linear-gradient(135deg, #f9ca24, #f0932b); color: #fff; }
body.dark .board-search-bar input { background: #1e2a45; border-color: #2a3a5c; color: #e0e0e0; }
body.dark mark.search-hl { background: rgba(253,203,110,0.3); }

/* 모바일 */
@media (max-width: 768px) {
  .board-tabs { gap: 6px; }
  .board-tab { padding: 6px 14px; font-size: 0.82rem; }
  .popular-item { padding-left: 48px !important; }
  .popular-rank { left: 12px; width: 24px; height: 24px; font-size: 0.75rem; }
  .bi-preview { display: none; }
}

/* ===== 게시판 메인 — 미니 리스트 ===== */
.board-section {
  margin-bottom: 32px;
}
.board-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.board-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.board-section-header h3 {
  margin-bottom: 0;
}
.board-more {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
}
.board-more:hover { text-decoration: underline; }

.board-mini-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: var(--transition);
}
.board-mini-item:last-child { border-bottom: none; }
.board-mini-item:hover { background: rgba(108,92,231,0.04); border-radius: 8px; }

.mini-rank {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--gray-600);
  flex-shrink: 0;
}
.mini-rank.top {
  background: linear-gradient(135deg, #f9ca24, #f0932b);
  color: #fff;
}
.mini-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.mini-meta {
  font-size: 0.78rem;
  color: var(--gray-500);
  flex-shrink: 0;
}
.mini-time {
  font-size: 0.75rem;
  color: var(--gray-400);
  flex-shrink: 0;
  white-space: nowrap;
}
.board-empty {
  text-align: center;
  color: #888;
  padding: 20px 0;
  font-size: 0.9rem;
}

/* 다크 모드 */
body.dark .board-section h3 { color: #e0e0e0; }
body.dark .board-mini-item { border-color: #2a3a5c; }
body.dark .board-mini-item:hover { background: rgba(108,92,231,0.08); }
body.dark .mini-rank { background: #2a3a5c; color: #aaa; }

/* 모바일 */
@media (max-width: 768px) {
  .board-mini-item { padding: 8px 8px; gap: 6px; }
  .mini-title { font-size: 0.82rem; }
  .mini-meta { font-size: 0.72rem; }
  .mini-time { font-size: 0.7rem; }
  .board-search-bar input { font-size: 0.9rem; padding: 8px 12px; }
}