body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(87, 133, 255, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 196, 120, 0.12), transparent 22%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 88%, #0f172a 12%));
  color: var(--text-main);
  font-family: "Pretendard", system-ui, sans-serif;
}

.hidden {
  display: none !important;
}

.quiz-rpg-admin-loading,
.quiz-rpg-admin-auth {
  position: fixed;
  inset: 0;
  z-index: 8000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg);
  color: var(--text-main);
}

.quiz-rpg-admin-auth-card {
  max-width: 420px;
  width: 100%;
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  text-align: center;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.24);
}

.quiz-rpg-admin-auth-card .icon {
  font-size: 2.8rem;
  margin-bottom: 14px;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: quiz-rpg-admin-spin 1s linear infinite;
}

@keyframes quiz-rpg-admin-spin {
  to {
    transform: rotate(360deg);
  }
}

.quiz-rpg-admin-wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 18px 16px 36px;
}

.quiz-rpg-admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
}

.nav-btn.active {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 24%, var(--card-bg)), color-mix(in srgb, var(--primary) 10%, var(--card-bg)));
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
}

.card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: color-mix(in srgb, var(--card-bg) 92%, #0f172a 8%);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

.quiz-rpg-admin-hero {
  display: grid;
  gap: 20px;
  padding: 24px;
  margin-bottom: 18px;
}

.quiz-rpg-admin-hero-copy h1 {
  margin: 6px 0 10px;
  font-size: clamp(1.8rem, 2.4vw, 2.5rem);
}

.quiz-rpg-admin-hero-copy p {
  margin: 0;
  color: var(--text-sub);
  line-height: 1.65;
}

.kicker,
.panel-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-sub);
  font-weight: 700;
}

.quiz-rpg-admin-hero-actions,
.slot-actions,
.list-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.header-link-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-main);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary,
.btn.primary,
.header-link-btn.primary {
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 80%, #fff 20%), color-mix(in srgb, var(--primary) 64%, #0f172a 36%));
  color: #fff;
}

.quiz-rpg-admin-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 92px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--border) 92%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 80%, transparent), color-mix(in srgb, var(--card-bg) 95%, #0f172a 5%));
}

.metric-value {
  display: block;
  font-size: 1.28rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.metric-label {
  color: var(--text-sub);
  font-size: 0.88rem;
}

.quiz-rpg-admin-layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 18px;
}

.quiz-rpg-admin-slot-panel,
.quiz-rpg-admin-list-panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.panel-head h2 {
  margin: 4px 0 8px;
  font-size: 1.2rem;
}

.panel-head p {
  margin: 0;
  color: var(--text-sub);
  line-height: 1.55;
}

.status-line {
  min-height: 22px;
  margin-bottom: 12px;
  color: var(--text-sub);
  font-size: 0.92rem;
}

.status-line.error {
  color: #dc2626;
}

.subject-slot-grid {
  display: grid;
  gap: 12px;
}

.subject-slot-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 88%, transparent), color-mix(in srgb, var(--card-bg) 96%, #0f172a 4%));
}

.subject-slot-card.active {
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 18%, transparent);
}

.subject-slot-card[data-subject="korean"].active {
  border-color: rgba(255, 177, 95, 0.72);
  box-shadow: 0 0 0 2px rgba(255, 177, 95, 0.18);
}

.subject-slot-card[data-subject="math"].active {
  border-color: rgba(105, 194, 255, 0.72);
  box-shadow: 0 0 0 2px rgba(105, 194, 255, 0.18);
}

.subject-slot-card[data-subject="english"].active {
  border-color: rgba(130, 230, 164, 0.72);
  box-shadow: 0 0 0 2px rgba(130, 230, 164, 0.18);
}

.subject-slot-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.subject-slot-title {
  margin: 0;
  font-size: 1.05rem;
}

.subject-slot-meta {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.slot-pill-row,
.quiz-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.slot-pill,
.quiz-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--card-bg) 84%, #0f172a 16%);
  color: var(--text-sub);
  font-size: 0.8rem;
  font-weight: 700;
  border: 1px solid var(--border);
}

.slot-pill.active {
  color: #fff;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 82%, #fff 18%), color-mix(in srgb, var(--primary) 62%, #0f172a 38%));
}

.slot-pill.warn {
  color: #92400e;
  background: #fef3c7;
  border-color: #facc15;
}

.slot-detail-line {
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.55;
}

.slot-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.filter-item {
  display: grid;
  gap: 6px;
}

.filter-item.grow {
  flex: 1 1 320px;
}

.filter-item label {
  font-size: 0.88rem;
  color: var(--text-sub);
  font-weight: 600;
}

.filter-item input,
.filter-item select {
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--card-bg) 92%, #0f172a 8%);
  color: var(--text-main);
  padding: 0 12px;
  font: inherit;
}

.quiz-rpg-pick-list {
  display: grid;
  gap: 10px;
}

.quiz-pick-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--card-bg) 88%, transparent), color-mix(in srgb, var(--card-bg) 96%, #0f172a 4%));
}

.quiz-pick-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.quiz-pick-title {
  margin: 0;
  font-size: 1.02rem;
}

.quiz-pick-sub {
  margin-top: 6px;
  color: var(--text-sub);
  font-size: 0.92rem;
  line-height: 1.5;
}

.quiz-pick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 14px;
}

.empty-state {
  padding: 34px 18px;
  border-radius: 18px;
  border: 1px dashed var(--border);
  text-align: center;
  color: var(--text-sub);
  background: color-mix(in srgb, var(--card-bg) 90%, transparent);
}

.theme-floating-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.24);
  font-size: 1.4rem;
}

@media (max-width: 1080px) {
  .quiz-rpg-admin-layout {
    grid-template-columns: 1fr;
  }

  .quiz-rpg-admin-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .quiz-rpg-admin-wrap {
    padding-inline: 12px;
  }

  .quiz-rpg-admin-hero,
  .quiz-rpg-admin-slot-panel,
  .quiz-rpg-admin-list-panel {
    padding: 18px;
  }

  .quiz-rpg-admin-metrics {
    grid-template-columns: 1fr;
  }

  .quiz-pick-head,
  .subject-slot-head {
    flex-direction: column;
  }
}