/* eCThnomath - Clean Modern Theme & UI Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Nunito:wght@400;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-child: 'Nunito', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --primary-50: #f0f7ff;
  --primary-100: #e0effe;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --slate-900: #0f172a;
}

body {
  font-family: var(--font-sans);
  background-color: #f8fafc;
  color: #0f172a;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-child {
  font-family: var(--font-child);
}

.font-mono-code {
  font-family: var(--font-mono);
}

/* Touch Targets for Accessibility */
.touch-target {
  min-height: 44px;
  min-width: 44px;
}

/* Custom Minimalist Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: #f8fafc;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Clean Transitions & Cards */
.clean-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.03), 0 1px 2px -1px rgba(0, 0, 0, 0.03);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.clean-card:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px 0 rgba(15, 23, 42, 0.04);
}

/* Question Option Card */
.option-item {
  border: 1.5px solid #e2e8f0;
  background-color: #ffffff;
  border-radius: 14px;
  transition: all 0.15s ease;
  cursor: pointer;
}
.option-item:hover {
  border-color: #0284c7;
  background-color: #f8fafc;
}
.option-item.selected {
  border-color: #0284c7;
  background-color: #f0f9ff;
  box-shadow: 0 0 0 1.5px #0284c7;
}

/* Navigation palette pills */
.nav-pill-clean {
  border-width: 1.5px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 13px;
  transition: all 0.15s ease;
}
.nav-pill-clean.current {
  border-color: #0284c7;
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.25);
}
.nav-pill-clean.answered {
  background-color: #059669;
  border-color: #047857;
  color: #ffffff;
}
.nav-pill-clean.ragu {
  background-color: #d97706;
  border-color: #b45309;
  color: #ffffff;
}
.nav-pill-clean.unanswered {
  background-color: #ffffff;
  border-color: #cbd5e1;
  color: #475569;
}

/* Floating Clean Toolbar */
.demo-topbar {
  background: #0f172a;
  border-bottom: 1px solid #1e293b;
  color: #f8fafc;
}

/* Table Responsive */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Badges */
.badge-clean {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: -0.01em;
}