/* Examora — modern UI */
.examora-app {
  --exo-primary: #6366f1;
  --exo-primary-dark: #4f46e5;
  --exo-accent: #14b8a6;
  --exo-bg: #f4f6fb;
  --exo-card: #ffffff;
  --exo-border: #e5e7eb;
  --exo-text: #0f172a;
  --exo-muted: #64748b;
  --exo-radius: 16px;
  --exo-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  max-width: 1040px;
  margin: 0 auto 48px;
  padding: 0 16px 32px;
}

.examora-app .card,
.examora-app .examora-workspace,
.examora-app .examora-auth-card {
  background: var(--exo-card);
  border: 1px solid var(--exo-border);
  border-radius: var(--exo-radius);
  box-shadow: var(--exo-shadow);
  padding: 28px;
  margin-bottom: 20px;
}

/* Top bar */
.examora-topbar {
  margin: 0 -16px 24px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--exo-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.examora-topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.examora-topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.examora-brand-mini {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--exo-text);
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
}

.examora-brand-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.examora-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--exo-muted);
  flex-wrap: wrap;
}

.examora-breadcrumb a {
  color: var(--exo-muted);
  text-decoration: none;
}

.examora-breadcrumb a:hover {
  color: var(--exo-primary);
}

.examora-bc-sep {
  opacity: 0.5;
}

.examora-bc-current {
  color: var(--exo-text);
  font-weight: 600;
}

.examora-topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

.examora-icon-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 52px;
  padding: 6px 8px;
  border-radius: 12px;
  border: 1px solid var(--exo-border);
  background: #fff;
  color: var(--exo-muted);
  text-decoration: none;
  font-size: 10px;
  font-weight: 600;
  transition: all 0.15s ease;
}

.examora-icon-btn svg {
  width: 20px;
  height: 20px;
}

.examora-icon-btn:hover {
  border-color: var(--exo-primary);
  color: var(--exo-primary);
  background: #eef2ff;
}

.examora-icon-btn.is-active {
  border-color: var(--exo-primary);
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  color: var(--exo-primary-dark);
}

.examora-icon-btn--primary {
  background: linear-gradient(135deg, var(--exo-primary), var(--exo-primary-dark));
  border-color: transparent;
  color: #fff;
}

.examora-icon-btn--primary:hover {
  color: #fff;
  filter: brightness(1.05);
}

.examora-icon-btn--danger:hover {
  border-color: #fecaca;
  background: #fef2f2;
  color: #dc2626;
}

.examora-icon-label {
  line-height: 1;
}

.examora-user-chip {
  display: none;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--exo-text);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (min-width: 720px) {
  .examora-user-chip {
    display: inline-block;
  }
}

/* Hero & portal */
.examora-hero {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--exo-radius);
  background: linear-gradient(145deg, #eef2ff 0%, #ecfdf5 50%, #fff 100%);
  border: 1px solid #e0e7ff;
  margin-bottom: 24px;
}

.examora-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 12px;
}

.examora-logo {
  font-size: 48px;
}

.examora-hero h1 {
  margin: 0;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  background: linear-gradient(90deg, var(--exo-primary-dark), var(--exo-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.examora-tagline {
  margin: 4px 0 0;
  color: var(--exo-muted);
  font-weight: 600;
}

.examora-intro {
  max-width: 520px;
  margin: 12px auto 0;
  color: var(--exo-muted);
}

.examora-portal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.examora-portal-card {
  display: block;
  padding: 24px;
  background: var(--exo-card);
  border: 1px solid var(--exo-border);
  border-radius: var(--exo-radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s;
}

.examora-portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--exo-shadow);
  border-color: #c7d2fe;
}

.examora-portal-card.highlight {
  border-color: var(--exo-primary);
  background: linear-gradient(160deg, #fafaff, #fff);
}

.portal-icon {
  font-size: 32px;
}

/* Auth pages */
.examora-auth-wrap {
  display: flex;
  justify-content: center;
  padding: 8px 0 32px;
}

.examora-auth-card {
  width: 100%;
  max-width: 420px;
}

.examora-auth-card h1 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--exo-text);
}

.examora-auth-card > .small {
  color: var(--exo-muted);
  margin-bottom: 24px;
}

.examora-form .control-group {
  margin-bottom: 16px;
}

.examora-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--exo-text);
  margin-bottom: 6px;
}

.examora-form .input-lg,
.examora-form .select-lg {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--exo-border);
  border-radius: 10px;
  font-size: 15px;
  background: #fafafa;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.examora-form .input-lg:focus,
.examora-form .select-lg:focus {
  outline: none;
  border-color: var(--exo-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
  background: #fff;
}

.examora-form-submit {
  width: 100%;
  margin-top: 8px;
  padding: 14px !important;
  border-radius: 10px !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, var(--exo-primary), var(--exo-primary-dark)) !important;
  border: none !important;
}

.examora-form-error {
  color: #dc2626;
  font-size: 14px;
  padding: 10px 12px;
  background: #fef2f2;
  border-radius: 8px;
}

.examora-form-error.hide {
  display: none;
}

.examora-auth-footer {
  text-align: center;
  margin-top: 20px;
  color: var(--exo-muted);
}

.examora-auth-footer a {
  color: var(--exo-primary-dark);
  font-weight: 600;
}

/* Workspace */
.examora-workspace h1,
.examora-panel h2 {
  margin: 0 0 8px;
  font-size: 1.5rem;
  color: var(--exo-text);
}

.examora-workspace > .small:first-of-type,
.examora-panel > .small {
  color: var(--exo-muted);
  margin-bottom: 20px;
}

.examora-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.examora-workspace .control-group label,
.examora-panel .control-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--exo-muted);
}

.examora-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.examora-steps .step {
  font-size: 12px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--exo-muted);
}

.examora-steps .step.active {
  background: var(--exo-primary);
  color: #fff;
}

.examora-steps .step.done {
  background: #d1fae5;
  color: #047857;
}

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

.wizard-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* Admin key panel */
.admin-key-panel {
  margin-bottom: 28px;
  padding: 22px;
  border-radius: 14px;
  border: 1px solid #c7d2fe;
  background: linear-gradient(135deg, #fafaff 0%, #f0fdf4 100%);
}

.admin-key-panel h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.admin-key-panel .small {
  color: var(--exo-muted);
  margin-bottom: 16px;
}

.admin-key-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}

.admin-key-row .input-lg {
  flex: 1;
  min-width: 200px;
  padding: 12px 14px;
  border: 1px solid var(--exo-border);
  border-radius: 10px;
  font-family: ui-monospace, monospace;
  font-size: 14px;
}

.admin-key-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.admin-key-hint {
  margin-top: 12px;
  font-size: 13px;
  color: var(--exo-muted);
}

.admin-key-hint code {
  background: #fff;
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid var(--exo-border);
  font-size: 12px;
}

/* Stats & uploads */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .admin-stats {
    grid-template-columns: 1fr;
  }
}

.admin-stats .stat {
  text-align: center;
  padding: 18px;
  background: #f8fafc;
  border-radius: 12px;
  border: 1px solid var(--exo-border);
}

.admin-stats strong {
  display: block;
  font-size: 1.75rem;
  color: var(--exo-primary-dark);
}

.admin-uploads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.upload-card {
  padding: 20px;
  border: 2px dashed #d1d5db;
  border-radius: 12px;
  background: #fafafa;
}

.upload-card h3 {
  margin: 0 0 8px;
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.pending-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--exo-border);
  border-radius: 12px;
  margin-bottom: 10px;
  background: #fafafa;
}

.pending-item p {
  flex: 1;
  margin: 0;
  font-size: 14px;
}

.examora-question-card {
  border: 1px solid var(--exo-border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  background: #fafafa;
}

.examora-explain {
  border-left: 4px solid var(--exo-accent);
  padding-left: 12px;
}

.examora-status.success {
  color: #047857;
}
.examora-status.error {
  color: #dc2626;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.quiz-opt {
  text-align: left;
  padding: 14px 16px;
  border: 2px solid var(--exo-border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-size: 15px;
  transition: all 0.12s;
}

.quiz-opt:hover:not(:disabled) {
  border-color: var(--exo-primary);
}

.quiz-opt.correct {
  border-color: #10b981;
  background: #ecfdf5;
}

.quiz-opt.wrong {
  border-color: #ef4444;
  background: #fef2f2;
}

.examora-results {
  margin-top: 20px;
  padding: 28px;
  background: linear-gradient(135deg, #ecfdf5, #eef2ff);
  border-radius: var(--exo-radius);
  text-align: center;
}

.examora-info {
  padding: 24px;
  background: var(--exo-card);
  border-radius: var(--exo-radius);
  border: 1px solid var(--exo-border);
}

.examora-features li {
  margin-bottom: 8px;
}

.print-area {
  background: #fff;
  padding: 20px;
  border: 1px solid var(--exo-border);
  border-radius: 12px;
}

@media print {
  .site-header,
  .global-footer,
  .examora-topbar,
  .examora-steps,
  .wizard-actions,
  .no-print,
  .admin-key-panel {
    display: none !important;
  }
}

@media (max-width: 560px) {
  .examora-breadcrumb {
    display: none;
  }
  .examora-icon-label {
    display: none;
  }
  .examora-icon-btn {
    min-width: 44px;
    padding: 8px;
  }
}