@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --brand-50: #eef2ff;
  --brand-100: #e0e7ff;
  --brand-200: #c7d2fe;
  --brand-500: #6366f1;
  --brand-600: #4f46e5;
  --brand-700: #4338ca;
  --ink-900: #0f172a;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-300: #cbd5e1;
  --surface: #ffffff;
  --surface-muted: #f8fafc;
  --bg: #f1f5f9;
  --border: #e2e8f0;
  --radius-sm: .5rem;
  --radius-md: .875rem;
  --radius-lg: 1.25rem;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
  --shadow-md: 0 12px 28px -10px rgba(15, 23, 42, .14), 0 2px 6px rgba(15, 23, 42, .06);
  --shadow-lg: 0 30px 60px -15px rgba(15, 23, 42, .22);
}

html {
  font-size: 15px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px circle at 8% -10%, var(--brand-100) 0%, transparent 42%),
    radial-gradient(900px circle at 105% 0%, #dbeafe 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--ink-900);
  margin: 0;
  padding-bottom: 76px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

p {
  color: var(--ink-700);
}

a {
  color: var(--brand-600);
  text-decoration: none;
}

a:hover {
  color: var(--brand-700);
  text-decoration: underline;
}

code {
  color: var(--brand-700);
  background: var(--brand-50);
  padding: .1rem .4rem;
  border-radius: .35rem;
  font-size: .9em;
}

::selection {
  background: var(--brand-200);
}

/* ---------- Focus ring ---------- */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 .2rem var(--brand-100);
}

/* ---------- Navbar ---------- */
.navbar {
  background: rgba(255, 255, 255, .82) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border) !important;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .02);
  padding-top: .7rem;
  padding-bottom: .7rem;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: .55rem;
  color: var(--ink-900) !important;
}

.navbar-brand .brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: .6rem;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  color: #fff;
  box-shadow: 0 4px 10px -2px rgba(79, 70, 229, .5);
  font-size: 1.05rem;
}

.navbar .nav-link {
  font-weight: 500;
  color: var(--ink-700) !important;
  border-radius: var(--radius-sm);
  padding: .5rem .85rem !important;
  margin: 0 .1rem;
  transition: background-color .15s ease, color .15s ease;
}

.navbar .nav-link:hover {
  color: var(--brand-600) !important;
  background: var(--brand-50);
}

.navbar-text {
  font-weight: 500;
}

/* ---------- Layout ---------- */
main {
  min-height: calc(100vh - 230px);
}

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: transparent;
  border-top: 1px solid var(--border);
  padding: 1.1rem 0;
  color: var(--ink-500);
  font-size: .875rem;
  line-height: 1.4;
}

.border-top {
  border-top: 1px solid var(--border) !important;
}

.border-bottom {
  border-bottom: 1px solid var(--border) !important;
}

.box-shadow {
  box-shadow: var(--shadow-sm) !important;
}

/* ---------- Buttons ---------- */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: .55rem 1.15rem;
  transition: transform .12s ease, box-shadow .12s ease, background-color .12s ease, border-color .12s ease;
  border-width: 1px;
}

.btn-sm {
  padding: .3rem .75rem;
  border-radius: .5rem;
  font-size: .8rem;
}

.btn:active {
  transform: translateY(0) !important;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  border-color: var(--brand-600);
  box-shadow: 0 4px 12px -3px rgba(79, 70, 229, .45);
}

.btn-primary:hover, .btn-primary:focus {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-600));
  border-color: var(--brand-700);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -4px rgba(79, 70, 229, .5);
}

.btn-secondary {
  color: #fff;
  background: var(--ink-500);
  border-color: var(--ink-500);
}

.btn-secondary:hover {
  background: var(--ink-700);
  border-color: var(--ink-700);
  transform: translateY(-1px);
}

.btn-outline-primary, .btn-outline-secondary {
  border-width: 1.5px;
}

.btn-outline-secondary {
  color: var(--ink-700);
  border-color: var(--border);
}

.btn-outline-secondary:hover {
  background: var(--ink-700);
  border-color: var(--ink-700);
}

.btn-success:hover, .btn-danger:hover, .btn-warning:hover, .btn-info:hover {
  transform: translateY(-1px);
  filter: brightness(0.96);
}

.btn-link {
  font-weight: 600;
}

.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
  color: #fff;
  background: linear-gradient(135deg, var(--brand-600), var(--brand-500));
  border-color: var(--brand-600);
}

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-body {
  padding: 1.5rem;
}

.card-header {
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
  border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
  font-weight: 600;
  padding: 1rem 1.5rem;
}

.card-title {
  font-weight: 700;
  color: var(--ink-500);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}

.card .display-4 {
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink-900);
}

/* Stat cards on dashboards: colour a soft top accent per card */
.row.mb-4 > div > .card {
  position: relative;
  overflow: hidden;
}

.row.mb-4 > div > .card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand-600), var(--brand-500));
}

.row.mb-4 > div:nth-child(2) > .card::before {
  background: linear-gradient(90deg, #059669, #10b981);
}

.row.mb-4 > div:nth-child(3) > .card::before {
  background: linear-gradient(90deg, #dc2626, #ef4444);
}

/* Auth / form panels */
.card.border-0 {
  border: 1px solid var(--border) !important;
}

/* ---------- Tables ---------- */
.table-responsive {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

table.table {
  margin-bottom: 0;
  --bs-table-bg: transparent;
  --bs-table-striped-bg: var(--surface-muted);
}

.table thead th {
  text-transform: uppercase;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--ink-500);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  background: var(--surface-muted);
}

.table td, .table th {
  vertical-align: middle;
  padding: .9rem 1.1rem;
  border-color: var(--border);
}

.table-hover tbody tr {
  transition: background-color .12s ease;
}

.table-hover tbody tr:hover {
  background-color: var(--brand-50);
}

/* Bare tables outside a .table-responsive wrapper still get rounded edges */
table.table:not(.table-responsive table) {
  border-radius: var(--radius-md);
}

/* ---------- Badges ---------- */
.badge {
  font-weight: 600;
  padding: .4em .8em;
  border-radius: 999px;
  font-size: .72rem;
  letter-spacing: .02em;
}

/* ---------- Forms ---------- */
.form-label {
  font-weight: 600;
  color: var(--ink-700);
  font-size: .875rem;
  margin-bottom: .35rem;
}

.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  padding: .55rem .9rem;
  background-color: var(--surface-muted);
}

.form-control:focus, .form-select:focus {
  background-color: var(--surface);
  border-color: var(--brand-500);
  box-shadow: 0 0 0 .2rem var(--brand-100);
}

.form-control:disabled, .form-control[readonly] {
  background-color: var(--surface-muted);
  color: var(--ink-500);
}

.form-check-input:checked {
  background-color: var(--brand-600);
  border-color: var(--brand-600);
}

.form-text {
  color: var(--ink-500);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* ---------- Alerts ---------- */
.alert {
  border: none;
  border-left: 4px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 500;
}

.alert-success {
  background: #ecfdf5;
  color: #065f46;
  border-left-color: #10b981;
}

.alert-danger {
  background: #fef2f2;
  color: #991b1b;
  border-left-color: #ef4444;
}

.alert-warning {
  background: #fffbeb;
  color: #92400e;
  border-left-color: #f59e0b;
}

.alert-info {
  background: #eff6ff;
  color: #1e40af;
  border-left-color: #3b82f6;
}

.text-danger {
  color: #dc2626 !important;
}

/* ---------- Misc ---------- */
dl.row dt {
  color: var(--ink-500);
  font-weight: 600;
  font-size: .875rem;
}

dl.row dd {
  color: var(--ink-900);
}

pre {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.spinner-border {
  color: var(--brand-600);
}

button.accept-policy {
  font-size: 1rem;
  line-height: inherit;
}

/* ---------- Hero (home page) ---------- */
.hero {
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-700) 0%, var(--brand-600) 45%, #3b82f6 100%);
  color: #fff;
  padding: 3.5rem 2.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(600px circle at 85% 0%, rgba(255, 255, 255, .18), transparent 60%);
}

.hero h1, .hero p {
  position: relative;
  color: #fff;
}

.hero .lead {
  color: rgba(255, 255, 255, .88);
}

.hero-icon {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, .16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  position: relative;
}

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  padding: 1.5rem;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: .75rem;
  background: var(--brand-50);
  color: var(--brand-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: .9rem;
}