:root {
  --bg-ivory:        #FBF7F0;
  --bg-sand:         #F3ECE0;
  --bg-surface:      #FFFFFF;
  --ink-primary:     #1F1A17;
  --ink-secondary:   #5A4E46;
  --ink-muted:       #8A7D73;
  --brand-vermilion: #C84B31;
  --brand-saffron:   #D97706;
  --brand-indigo:    #1E3A5F;
  --brand-teal:      #0F766E;
  --rule-red:        #E57373;
  --rule-blue:       #64B5F6;
  --status-success:  #15803D;
  --status-warning:  #B45309;
  --status-danger:   #B91C1C;
  --status-info:     #1D4ED8;
  --border-warm:     #E6DDD0;
  --shadow-card:     0 2px 8px rgba(31, 26, 23, 0.06);
  --shadow-elevated: 0 8px 24px rgba(31, 26, 23, 0.12);
  --radius-sm:       6px;
  --radius-md:       10px;
  --radius-lg:       16px;

  --font-sans: 'Noto Sans Gujarati', 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Noto Serif Gujarati', 'Baloo Bhai 2', Georgia, serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  color: var(--ink-primary);
  background-color: var(--bg-ivory);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-ivory);
  color: var(--ink-primary);
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  line-height: 1.35;
  margin-top: 0;
}

a {
  color: var(--brand-indigo);
  text-decoration: none;
}
a:hover {
  color: var(--brand-vermilion);
}

.notebook-lines {
  background-image:
    linear-gradient(to bottom,
      transparent 0px, transparent 11px,
      rgba(229, 115, 115, 0.45) 11px, rgba(229, 115, 115, 0.45) 12px,
      transparent 12px, transparent 23px,
      rgba(100, 181, 246, 0.45) 23px, rgba(100, 181, 246, 0.45) 24px,
      transparent 24px, transparent 35px,
      rgba(100, 181, 246, 0.45) 35px, rgba(100, 181, 246, 0.45) 36px,
      transparent 36px, transparent 47px,
      rgba(229, 115, 115, 0.45) 47px, rgba(229, 115, 115, 0.45) 48px);
  background-size: 100% 48px;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}
.btn-primary {
  background-color: var(--brand-vermilion);
  color: #FFFFFF;
}
.btn-primary:hover {
  background-color: #a93b24;
  color: #FFFFFF;
}
.btn-secondary {
  background-color: var(--brand-indigo);
  color: #FFFFFF;
}
.btn-secondary:hover {
  background-color: #152944;
  color: #FFFFFF;
}
.btn-outline {
  background-color: transparent;
  border-color: var(--brand-indigo);
  color: var(--brand-indigo);
}
.btn-outline:hover {
  background-color: var(--brand-indigo);
  color: #FFFFFF;
}
.btn-teal {
  background-color: var(--brand-teal);
  color: #FFFFFF;
}
.btn-danger {
  background-color: #DC2626;
  border-color: #DC2626;
  color: #FFFFFF;
}
.btn-danger:hover {
  background-color: #B91C1C;
  border-color: #B91C1C;
  color: #FFFFFF;
}
.btn-success {
  background-color: #16A34A;
  border-color: #16A34A;
  color: #FFFFFF;
}
.btn-success:hover {
  background-color: #15803D;
  color: #FFFFFF;
}
.btn-sm {
  min-height: 34px;
  padding: 0.35rem 0.8rem;
  font-size: 0.85rem;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-success { background: #DCFCE7; color: var(--status-success); }
.badge-warning { background: #FEF3C7; color: var(--status-warning); }
.badge-danger  { background: #FEE2E2; color: var(--status-danger); }
.badge-info    { background: #DBEAFE; color: var(--status-info); }
.badge-brand   { background: #FDECE8; color: var(--brand-vermilion); }

.grid { display: grid; gap: 1.25rem; }
.grid > * { min-width: 0; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.form-group { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--ink-primary);
  font-size: 0.92rem;
}
.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], input[type="time"], input[type="url"], input[type="search"], input[type="tel"], select, textarea {
  width: 100%;
  min-height: 42px;
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.94rem;
  background-color: #FFFFFF;
  color: var(--ink-primary);
}
textarea { min-height: 90px; }
.form-control:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--brand-vermilion);
  border-color: var(--brand-vermilion);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.data-table th, table.data-table td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border-warm);
}
table.data-table th {
  background-color: var(--bg-sand);
  color: var(--ink-primary);
  font-weight: 700;
}
table.data-table tr:hover td {
  background-color: rgba(243, 236, 224, 0.35);
}

.alert {
  padding: 0.9rem 1.2rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.25rem;
  border-left: 4px solid var(--brand-indigo);
  background: var(--bg-surface);
  box-shadow: var(--shadow-card);
}
.alert-success { border-left-color: var(--status-success); background: #F0FDF4; color: #14532D; }
.alert-error   { border-left-color: var(--status-danger); background: #FEF2F2; color: #7F1D1D; }

.text-muted { color: var(--ink-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }