:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --text: #1e293b;
  --primary: #6366f1;
  --accent: #10b981;
}

* {
  font-family: "Plus Jakarta Sans", sans-serif;
  box-sizing: border-box;
}

body.exam-body {
  background: var(--bg);
}

body.is-loading {
  cursor: progress;
}

.text-main {
  color: var(--text);
}

.text-primary {
  color: var(--primary);
}

.text-accent {
  color: var(--accent);
}

.card-surface {
  background: var(--surface);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

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

.admin-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.admin-summary-card {
  border-radius: 16px;
  padding: 16px;
  background: color-mix(in srgb, var(--text) 4%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
}

.input-surface {
  background: color-mix(in srgb, var(--text) 5%, transparent);
  color: var(--text);
  border: 2px solid transparent;
  transition: all 0.2s;
}

.input-surface:focus {
  border-color: var(--primary);
}

.btn-primary {
  background: var(--primary);
}

.btn-accent {
  background: var(--accent);
}

.btn-secondary,
.btn-surface {
  background: color-mix(in srgb, var(--text) 10%, transparent);
}

.btn-primary-soft {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
}

.btn-accent-soft {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.back-ios-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.back-ios-icon {
  font-size: 20px;
  line-height: 1;
  font-weight: 600;
  transform: translateY(-1px);
}

.home-card {
  border-radius: 20px;
  padding: 48px 32px;
}

.home-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: var(--primary);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.home-icon {
  width: 36px;
  height: 36px;
  color: #fff;
}

.mini-icon {
  width: 16px;
  height: 16px;
}

.icon-14 {
  width: 14px;
  height: 14px;
}

.icon-16 {
  width: 16px;
  height: 16px;
}

.icon-18 {
  width: 18px;
  height: 18px;
}

.badge-primary {
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
}

.badge-neutral {
  background: color-mix(in srgb, var(--text) 10%, transparent);
  color: var(--text);
}

.progress-track-surface {
  background: color-mix(in srgb, var(--primary) 15%, transparent);
}

.progress-bar-main {
  background: var(--primary);
}

.target-track {
  background: color-mix(in srgb, var(--text) 10%, transparent);
}

.target-progress {
  height: 100%;
  background: var(--accent);
  width: 0%;
  border-radius: 999px;
  transition: width 0.3s;
}

.modal-overlay {
  background: rgba(0, 0, 0, 0.4);
}

.loading-card {
  min-width: 290px;
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  backdrop-filter: blur(10px);
}

.loading-spinner {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 3px solid color-mix(in srgb, var(--primary) 20%, transparent);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}

.skeleton {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  animation: shimmer 1.2s infinite;
}

.toast-accent {
  background: var(--accent);
  color: #fff;
  animation: slideIn 0.3s ease;
}

.result-icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-box {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
}

.section-divider {
  border-color: color-mix(in srgb, var(--text) 10%, transparent);
}

.admin-inline-form {
  align-items: stretch;
}

.nav-btn.active {
  background: var(--primary);
  color: #fff;
}

.nav-btn.answered {
  background: var(--accent);
  color: #fff;
}

.nav-btn.flagged {
  border: 2px solid #f59e0b;
}

.option-card {
  transition: all 0.2s ease;
  cursor: pointer;
}

.option-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.option-card.selected {
  border-color: var(--primary) !important;
  background: color-mix(in srgb, var(--primary) 8%, transparent) !important;
}

.fade-in {
  animation: fadeIn 0.3s ease;
}

.timer-warn {
  animation: pulse 1s infinite;
  color: #ef4444;
}

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

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

@keyframes slideIn {
  from {
    transform: translateX(-400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

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

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

@media (max-width: 900px) {
  .admin-grid,
  .admin-form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-inline-form,
  .admin-section-head {
    flex-direction: column;
  }
}