/* =====================================================================
   Rajat Portfolio CMS — Metronic-inspired admin design system
   Built on Bootstrap 5.3. Single source of design tokens + layout.
   ===================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Brand palette */
  --rg-primary: #3b82f6;
  --rg-primary-rgb: 59, 130, 246;
  --rg-primary-active: #2b6fe0;
  --rg-primary-soft: #eff5ff;
  --rg-success: #17c653;
  --rg-info: #7239ea;
  --rg-warning: #f6b100;
  --rg-danger: #f8285a;
  --rg-secondary: #6c757d;

  /* Surfaces (light) */
  --rg-body-bg: #f5f8fa;
  --rg-card-bg: #ffffff;
  --rg-header-bg: #ffffff;
  --rg-sidebar-bg: #1e1e2d;
  --rg-sidebar-hover: #2a2a3c;
  --rg-sidebar-active: rgba(59, 130, 246, .12);

  /* Text */
  --rg-text: #131623;
  --rg-text-muted: #78829d;
  --rg-sidebar-text: #9a9cae;
  --rg-sidebar-text-active: #ffffff;
  --rg-sidebar-heading: #5a5b70;

  /* Lines & radius & shadow */
  --rg-border: #eff0f3;
  --rg-border-strong: #e1e3ea;
  --rg-radius: .65rem;
  --rg-radius-sm: .475rem;
  --rg-shadow: 0 3px 12px rgba(24, 28, 50, .05);
  --rg-shadow-lg: 0 10px 35px rgba(24, 28, 50, .12);

  /* Metrics */
  --rg-sidebar-w: 265px;
  --rg-sidebar-w-collapsed: 74px;
  --rg-header-h: 60px;
  --rg-input-h: 42px;
  --rg-font-base: .925rem;

  /* Bootstrap overrides */
  --bs-primary: var(--rg-primary);
  --bs-primary-rgb: var(--rg-primary-rgb);
  --bs-body-bg: var(--rg-body-bg);
  --bs-body-color: var(--rg-text);
  --bs-border-color: var(--rg-border-strong);
  --bs-border-radius: var(--rg-radius);
  --bs-body-font-size: var(--rg-font-base);
}

[data-bs-theme="dark"] {
  --rg-body-bg: #0f1117;
  --rg-card-bg: #171a23;
  --rg-header-bg: #171a23;
  --rg-sidebar-bg: #12141c;
  --rg-sidebar-hover: #1c1f2a;
  --rg-sidebar-active: rgba(59, 130, 246, .18);
  --rg-text: #e7e9f2;
  --rg-text-muted: #8f95a8;
  --rg-sidebar-text: #9095a6;
  --rg-sidebar-heading: #565a6b;
  --rg-border: #232734;
  --rg-border-strong: #2b3040;
  --rg-shadow: 0 3px 12px rgba(0, 0, 0, .3);
  --rg-shadow-lg: 0 10px 35px rgba(0, 0, 0, .45);
  --bs-body-bg: var(--rg-body-bg);
  --bs-body-color: var(--rg-text);
  --bs-border-color: var(--rg-border-strong);
  --bs-secondary-bg: #1c1f2a;
  --bs-tertiary-bg: #12141c;
  color-scheme: dark;
}

/* ---------- Base ---------- */
body.admin-body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--rg-body-bg);
  color: var(--rg-text);
  font-size: var(--rg-font-base);
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; }
.text-muted, .text-body-secondary { color: var(--rg-text-muted) !important; }

/* ---------- Layout skeleton ---------- */
.admin-wrapper { display: flex; min-height: 100vh; }
.admin-main {
  flex: 1 1 auto;
  min-width: 0;
  margin-left: var(--rg-sidebar-w);
  display: flex;
  flex-direction: column;
  transition: margin-left .25s ease;
}
body.sidebar-collapsed .admin-main { margin-left: var(--rg-sidebar-w-collapsed); }

/* ---------- Sidebar ---------- */
.admin-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rg-sidebar-w);
  background: var(--rg-sidebar-bg);
  color: var(--rg-sidebar-text);
  display: flex;
  flex-direction: column;
  z-index: 1040;
  transition: width .25s ease, transform .25s ease;
}
body.sidebar-collapsed .admin-sidebar { width: var(--rg-sidebar-w-collapsed); }

.admin-brand {
  height: var(--rg-header-h);
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: 0 1.25rem;
  flex: 0 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  white-space: nowrap;
  overflow: hidden;
}
.admin-brand .rg-brand-badge {
  width: 34px; height: 34px; flex: 0 0 34px;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .82rem; color: #fff; border-radius: .5rem;
  background: linear-gradient(135deg, var(--rg-primary), #7239ea);
}
.admin-brand .brand-text { color: #fff; font-weight: 600; font-size: 1.02rem; letter-spacing: .2px; }
body.sidebar-collapsed .admin-brand .brand-text { display: none; }

.admin-nav {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: .75rem .75rem 1.5rem;
}
.admin-nav::-webkit-scrollbar { width: 6px; }
.admin-nav::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }

.admin-nav .nav-heading {
  text-transform: uppercase;
  font-size: .68rem;
  letter-spacing: .08em;
  font-weight: 700;
  color: var(--rg-sidebar-heading);
  padding: 1rem .85rem .4rem;
}
body.sidebar-collapsed .admin-nav .nav-heading { text-align: center; padding: 1rem .2rem .3rem; overflow: hidden; }

.admin-nav .menu-link {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .62rem .85rem;
  border-radius: var(--rg-radius-sm);
  color: var(--rg-sidebar-text);
  font-weight: 500;
  cursor: pointer;
  position: relative;
  white-space: nowrap;
}
.admin-nav .menu-link:hover { background: var(--rg-sidebar-hover); color: #fff; }
.admin-nav .menu-link .menu-icon { font-size: 1.15rem; width: 1.4rem; text-align: center; flex: 0 0 auto; }
.admin-nav .menu-link .menu-arrow { margin-left: auto; transition: transform .2s ease; font-size: .8rem; }
.admin-nav .menu-item.open > .menu-link .menu-arrow { transform: rotate(90deg); }
.admin-nav .menu-link.active { background: var(--rg-sidebar-active); color: #fff; }
.admin-nav .menu-link.active::before {
  content: ""; position: absolute; left: -.75rem; top: 50%; transform: translateY(-50%);
  width: 4px; height: 22px; border-radius: 0 4px 4px 0; background: var(--rg-primary);
}

.admin-nav .submenu { list-style: none; margin: .15rem 0 .25rem; padding: 0 0 0 1.9rem; display: none; }
.admin-nav .menu-item.open > .submenu { display: block; }
.admin-nav .submenu .menu-link { padding: .5rem .85rem; font-size: .9rem; }
.admin-nav .submenu .menu-link.active::before { display: none; }
.admin-nav .submenu .menu-link.active { color: #fff; }
.admin-nav .submenu .menu-link.active .menu-icon { color: var(--rg-primary); }

/* Collapsed (icon-only) mode */
body.sidebar-collapsed .admin-nav .menu-link .menu-text,
body.sidebar-collapsed .admin-nav .menu-link .menu-arrow { display: none; }
body.sidebar-collapsed .admin-nav .menu-link { justify-content: center; padding: .62rem; }
body.sidebar-collapsed .admin-nav .submenu { display: none !important; }
body.sidebar-collapsed .admin-nav .menu-link .menu-icon { width: auto; }

/* ---------- Header ---------- */
.admin-header {
  height: var(--rg-header-h);
  background: var(--rg-header-bg);
  border-bottom: 1px solid var(--rg-border);
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
}
.admin-header .header-toggle {
  background: none; border: none; color: var(--rg-text-muted);
  font-size: 1.3rem; line-height: 1; padding: .25rem; cursor: pointer;
}
.admin-header .header-toggle:hover { color: var(--rg-primary); }

.header-search {
  position: relative;
  max-width: 340px;
  flex: 1 1 240px;
}
.header-search .form-control { padding-left: 2.2rem; height: 40px; background: var(--rg-body-bg); border-color: transparent; }
.header-search .form-control:focus { background: var(--rg-card-bg); }
.header-search .bi-search { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%); color: var(--rg-text-muted); }
.header-search kbd { position: absolute; right: .5rem; top: 50%; transform: translateY(-50%); font-size: .68rem; }

.admin-header .header-actions { margin-left: auto; display: flex; align-items: center; gap: .35rem; }
.admin-header .icon-btn {
  width: 38px; height: 38px; border-radius: 50%; border: none; background: transparent;
  color: var(--rg-text-muted); display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.admin-header .icon-btn:hover { background: var(--rg-primary-soft); color: var(--rg-primary); }
.rg-avatar {
  width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; color: #fff; background: linear-gradient(135deg, var(--rg-primary), #7239ea);
}

/* ---------- Content ---------- */
.admin-content { padding: 1.5rem; flex: 1 1 auto; }
.page-header { margin-bottom: 1.25rem; }
.page-header h1 { font-size: 1.35rem; font-weight: 700; margin: 0; }
.page-header .breadcrumb { margin: .25rem 0 0; font-size: .82rem; }
.page-header .breadcrumb a { color: var(--rg-text-muted); }
.page-header .breadcrumb .active { color: var(--rg-text); }

.admin-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--rg-border);
  color: var(--rg-text-muted);
  font-size: .85rem;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem;
}

/* ---------- Cards ---------- */
.card {
  background: var(--rg-card-bg);
  border: 1px solid var(--rg-border);
  border-radius: var(--rg-radius);
  box-shadow: var(--rg-shadow);
}
.card-header {
  background: transparent;
  border-bottom: 1px solid var(--rg-border);
  padding: 1rem 1.25rem;
  display: flex; align-items: center; gap: .5rem;
  min-height: 56px;
}
.card-header .card-title { font-weight: 600; font-size: 1rem; margin: 0; }
.card-body { padding: 1.25rem; }
.card-footer { background: transparent; border-top: 1px solid var(--rg-border); padding: 1rem 1.25rem; }

/* ---------- KPI cards ---------- */
.kpi-card { position: relative; overflow: hidden; }
.kpi-card .kpi-icon {
  width: 46px; height: 46px; border-radius: var(--rg-radius-sm);
  display: inline-flex; align-items: center; justify-content: center; font-size: 1.4rem;
}
.kpi-card .kpi-value { font-size: 1.7rem; font-weight: 700; line-height: 1.1; }
.kpi-card .kpi-label { color: var(--rg-text-muted); font-size: .85rem; }
.kpi-trend { font-size: .78rem; font-weight: 600; }
.bg-primary-soft { background: var(--rg-primary-soft); color: var(--rg-primary); }
.bg-success-soft { background: rgba(23,198,83,.12); color: var(--rg-success); }
.bg-warning-soft { background: rgba(246,177,0,.14); color: var(--rg-warning); }
.bg-danger-soft { background: rgba(248,40,90,.12); color: var(--rg-danger); }
.bg-info-soft { background: rgba(114,57,234,.12); color: var(--rg-info); }

/* ---------- Tables (ERP density) ---------- */
.table { --bs-table-bg: transparent; color: var(--rg-text); font-size: .875rem; margin: 0; }
.table > thead th {
  text-transform: uppercase; font-size: .72rem; letter-spacing: .04em;
  color: var(--rg-text-muted); font-weight: 700; border-bottom: 1px solid var(--rg-border-strong);
  white-space: nowrap; padding: .7rem .75rem;
}
.table > tbody > tr > td { padding: .6rem .75rem; vertical-align: middle; border-color: var(--rg-border); }
.table-hover > tbody > tr:hover > * { background: var(--rg-primary-soft); }
[data-bs-theme="dark"] .table-hover > tbody > tr:hover > * { background: rgba(59,130,246,.08); }
.table thead.sticky-top th { position: sticky; top: 0; background: var(--rg-card-bg); z-index: 2; }
.rg-thumb { width: 60px; height: 44px; object-fit: cover; border-radius: var(--rg-radius-sm); }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Badges / status ---------- */
.badge.rg-status { font-weight: 600; padding: .38em .7em; border-radius: 6px; letter-spacing: .01em; }

/* ---------- Buttons ---------- */
.btn { --bs-btn-font-size: .875rem; font-weight: 500; border-radius: var(--rg-radius-sm); }
.btn-primary { --bs-btn-bg: var(--rg-primary); --bs-btn-border-color: var(--rg-primary); --bs-btn-hover-bg: var(--rg-primary-active); --bs-btn-hover-border-color: var(--rg-primary-active); --bs-btn-active-bg: var(--rg-primary-active); }
.btn-sm { --bs-btn-padding-y: .35rem; --bs-btn-padding-x: .7rem; --bs-btn-font-size: .8rem; }
.btn-icon { width: 34px; height: 34px; padding: 0; display: inline-flex; align-items: center; justify-content: center; }

/* ---------- Forms ---------- */
.form-label { font-weight: 600; font-size: .82rem; margin-bottom: .35rem; color: var(--rg-text); }
.form-label .req { color: var(--rg-danger); }
.form-control, .form-select { min-height: var(--rg-input-h); border-color: var(--rg-border-strong); background: var(--rg-card-bg); color: var(--rg-text); font-size: .9rem; }
.form-control:focus, .form-select:focus { border-color: var(--rg-primary); box-shadow: 0 0 0 .2rem rgba(var(--rg-primary-rgb), .12); }
textarea.form-control { min-height: 96px; }
.form-text { font-size: .78rem; }
.form-section-title { font-weight: 700; font-size: .95rem; margin-bottom: .25rem; }

/* Sticky form action bar */
.form-actionbar {
  position: sticky; bottom: 0; z-index: 5;
  background: var(--rg-card-bg); border-top: 1px solid var(--rg-border);
  padding: .85rem 1.25rem; display: flex; gap: .5rem; justify-content: flex-end;
  border-radius: 0 0 var(--rg-radius) var(--rg-radius);
}

/* ---------- Empty state / loader ---------- */
.rg-empty { text-align: center; padding: 2.75rem 1rem; color: var(--rg-text-muted); }
.rg-empty i { font-size: 2.4rem; opacity: .45; display: block; margin-bottom: .6rem; }
.rg-skeleton { background: linear-gradient(90deg, var(--rg-border) 25%, var(--rg-border-strong) 37%, var(--rg-border) 63%); background-size: 400% 100%; animation: rg-shimmer 1.3s ease infinite; border-radius: 6px; }
@keyframes rg-shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* ---------- Dropdowns / drawers ---------- */
.dropdown-menu { border: 1px solid var(--rg-border); border-radius: var(--rg-radius); box-shadow: var(--rg-shadow-lg); font-size: .875rem; background: var(--rg-card-bg); }
.dropdown-item { padding: .5rem .9rem; border-radius: var(--rg-radius-sm); }
.dropdown-item:active { background: var(--rg-primary); }
.offcanvas { background: var(--rg-card-bg); color: var(--rg-text); }
.filter-chip { display: inline-flex; align-items: center; gap: .35rem; background: var(--rg-primary-soft); color: var(--rg-primary); border-radius: 20px; padding: .2rem .65rem; font-size: .78rem; font-weight: 600; }

/* ---------- Mobile ---------- */
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1039; }
@media (max-width: 991.98px) {
  .admin-main { margin-left: 0 !important; }
  .admin-sidebar { transform: translateX(-100%); }
  body.sidebar-open .admin-sidebar { transform: translateX(0); width: var(--rg-sidebar-w); }
  body.sidebar-open .sidebar-backdrop { display: block; }
  body.sidebar-collapsed .admin-sidebar { width: var(--rg-sidebar-w); }
  .header-search { display: none; }
}

/* ---------- Print ---------- */
@media print {
  .admin-sidebar, .admin-header, .admin-footer, .no-print, .form-actionbar, .card-tools { display: none !important; }
  .admin-main { margin-left: 0 !important; }
  .admin-content { padding: 0; }
  .card { box-shadow: none; border: 1px solid #ddd; }
  body { background: #fff; }
}