/* AFA Admin – UI/UX & responsive */
:root {
  --admin-sidebar-width: 260px;
  --admin-header-height: 56px;
  --admin-card-radius: 12px;
  --admin-primary: #0d6efd;
  --admin-success: #198754;
  --admin-warning: #fd7e14;
  --admin-danger: #dc3545;
  --admin-muted: #6c757d;
  --admin-bg: #f0f2f5;
  --admin-card-bg: #fff;
  --admin-nav-bg: #000;
  --admin-nav-hover: rgba(255,255,255,.08);
}

.admin-body {
  min-height: 100vh;
  background: var(--admin-bg);
  font-size: 0.9375rem;
}

/* Sidebar + main */
.admin-wrap {
  display: flex;
  min-height: 100vh;
}
.admin-sidebar {
  width: var(--admin-sidebar-width);
  background: var(--admin-nav-bg);
  color: #fff;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 1030;
  transition: transform .2s ease, width .2s ease;
}
.admin-sidebar .brand {
  height: var(--admin-header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.admin-sidebar .brand:hover { color: #fff; }
.admin-sidebar .brand-logo {
  max-height: 42px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
}
.admin-sidebar nav {
  flex: 1;
  overflow-y: auto;
  padding: .75rem 0;
}
.admin-sidebar .nav-link {
  color: #fff;
  padding: .6rem 1.25rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: color .15s, background .15s;
}
.admin-sidebar .nav-link:hover {
  color: #fff;
  background: var(--admin-nav-hover);
}
.admin-sidebar .nav-link.active {
  color: #fff;
  background: var(--admin-nav-hover);
  border-left-color: var(--admin-primary);
}
.admin-sidebar .nav-link i,
.admin-sidebar .nav-link .bi { font-size: 1.2em; opacity: .95; color: #fff; }
/* Bootstrap Icons in admin */
.bi { display: inline-block; vertical-align: -0.125em; }
.admin-sidebar .nav-divider {
  height: 1px;
  background: rgba(255,255,255,.12);
  margin: .5rem 1rem;
}
.admin-main {
  flex: 1;
  margin-left: var(--admin-sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.admin-content { padding: 1.5rem; flex: 1; }

/* Mobile: sidebar overlay + toggle button */
.admin-mobile-toggle {
  display: none;
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1029;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  background: var(--admin-card-bg);
  color: var(--admin-nav-bg);
  font-size: 1.25rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
  cursor: pointer;
}
.admin-mobile-toggle:hover { background: #e9ecef; color: #000; }
@media (max-width: 991.98px) {
  .admin-sidebar {
    transform: translateX(-100%);
    box-shadow: 4px 0 20px rgba(0,0,0,.15);
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .admin-mobile-toggle { display: flex; }
  .admin-content { padding: 1rem; padding-top: 3.5rem; }
}
@media (max-width: 575.98px) {
  .admin-content { padding: .75rem; padding-top: 3.25rem; }
}

/* Cards */
.admin-card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-card-radius);
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  border: 1px solid rgba(0,0,0,.04);
  overflow: hidden;
}
.admin-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(0,0,0,.06);
  font-weight: 600;
  font-size: 1rem;
}
.admin-card-body { padding: 1.25rem; }

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}
@media (min-width: 576px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(6, 1fr); }
}
.kpi-card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-card-radius);
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  border: 1px solid rgba(0,0,0,.04);
  transition: box-shadow .2s;
}
.kpi-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.08); }
.kpi-card .label {
  font-size: .8rem;
  color: var(--admin-muted);
  margin-bottom: .35rem;
  font-weight: 500;
}
.kpi-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}
.kpi-card .value.sm { font-size: 1.25rem; }
.kpi-card.primary .value { color: var(--admin-primary); }
.kpi-card.success .value { color: var(--admin-success); }
.kpi-card.warning .value { color: var(--admin-warning); }
.kpi-card.danger .value { color: var(--admin-danger); }

/* Lists */
.admin-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.25rem;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid rgba(0,0,0,.05);
  transition: background .15s;
}
.admin-list-item:last-child { border-bottom: 0; }
.admin-list-item:hover { background: rgba(0,0,0,.03); }
.admin-list-item .meta { font-size: .85rem; color: var(--admin-muted); }
.admin-list-empty { padding: 1.5rem; text-align: center; color: var(--admin-muted); }

/* Charts */
.chart-wrap {
  position: relative;
  height: 280px;
  padding: 0 .5rem;
}
@media (max-width: 767.98px) { .chart-wrap { height: 240px; } }

/* Buttons & forms */
.admin-btn-primary { background: var(--admin-primary); color: #fff; border-radius: 8px; padding: .5rem 1rem; font-weight: 500; }
.admin-btn-primary:hover { background: #0b5ed7; color: #fff; }
.admin-table { width: 100%; }
.admin-table th {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--admin-muted);
  font-weight: 600;
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.admin-table td { padding: .85rem 1rem; border-bottom: 1px solid rgba(0,0,0,.05); vertical-align: middle; }
.admin-table tbody tr:hover { background: rgba(0,0,0,.02); }
.form-control, .form-select { border-radius: 8px; }
.card-border-0 { border: 0; }

/* Login page */
.login-page {
  min-height: 100vh;
  background: linear-gradient(180deg, #f0f2f5 0%, #e2e8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.login-card {
  width: 100%;
  max-width: 400px;
  border: 0;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,.2), 0 4px 12px rgba(0,0,0,.15);
  overflow: hidden;
  background: #000;
  color: #fff;
}
.login-card .card-body {
  padding: 2.25rem 2rem;
  background: #000;
  color: #fff;
  border: 0;
}
.login-logo {
  display: block;
  margin: 0 auto 1.75rem;
  max-height: 56px;
  width: auto;
  object-fit: contain;
}
.login-card .card-body form {
  margin-bottom: 0;
}
.login-card .card-body .form-label {
  font-weight: 500;
  color: #fff;
}
.login-card .card-body .form-control {
  padding: 0.65rem 0.9rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.08);
  color: #fff;
}
.login-card .card-body .form-control::placeholder {
  color: rgba(255,255,255,.4);
}
.login-card .card-body .form-control:focus {
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.12);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(255,255,255,.1);
}
.login-card .card-body .form-check-label {
  color: rgba(255,255,255,.9);
}
.login-card .card-body .text-danger {
  color: #f8b4b4 !important;
}
.login-card .card-body .btn-primary {
  padding: 0.65rem 1rem;
  font-weight: 600;
  border-radius: 10px;
  border: 0;
  background: #0d9488;
  color: #fff;
}
.login-card .card-body .btn-primary:hover {
  background: #0f766e;
  color: #fff;
}
.login-card .card-body .login-back {
  color: rgba(255,255,255,.7);
  font-size: 0.9rem;
  text-decoration: none;
}
.login-card .card-body .login-back:hover {
  color: #fff;
}