/**
 * SmartLib USN Kolaka - Unified Modern Theme System
 * Modernizes AdminLTE 3.2 interface to match the Home Page aesthetic:
 * - Font: Plus Jakarta Sans
 * - Color Palette: Deep Slate (#0f172a / #1e293b) + Vibrant Orange (#f97316) + Soft Slate (#f8fafc)
 * - Soft rounded corners, subtle shadows, clean borders, modern cards & tables
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --lib-primary: #0f172a;
  --lib-secondary: #1e293b;
  --lib-accent: #f97316;
  --lib-accent-hover: #ea580c;
  --lib-bg: #f8fafc;
  --lib-card-bg: #ffffff;
  --lib-border: #e2e8f0;
  --lib-text-main: #1e293b;
  --lib-text-muted: #64748b;
  --lib-radius-sm: 8px;
  --lib-radius-md: 12px;
  --lib-radius-lg: 16px;
  --lib-radius-xl: 22px;
  --lib-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px 0 rgba(15, 23, 42, 0.03);
  --lib-shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --lib-shadow-lg: 0 10px 30px -3px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
}

/* ==========================================================================
   1. Typography & Base
   ========================================================================== */
body, .main-header, .main-sidebar, .content-wrapper, .modal, .dropdown-menu {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
}

body {
  background-color: var(--lib-bg) !important;
  color: var(--lib-text-main);
  letter-spacing: -0.01em;
}

.content-wrapper {
  background-color: var(--lib-bg) !important;
}

/* ==========================================================================
   2. Main Header / Navbar
   ========================================================================== */
.main-header.navbar {
  background: #ffffff !important;
  border-bottom: 1px solid var(--lib-border) !important;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.04) !important;
  padding: 0.65rem 1.25rem !important;
}

.main-header .navbar-nav .nav-link {
  color: #475569 !important;
  font-weight: 500;
  transition: all 0.2s ease;
  border-radius: var(--lib-radius-sm);
}

.main-header .navbar-nav .nav-link:hover {
  color: var(--lib-accent) !important;
  background: rgba(249, 115, 22, 0.06);
}

/* ==========================================================================
   3. Modern Sidebar (Admin Panel)
   ========================================================================== */
.main-sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%) !important;
  box-shadow: 4px 0 24px rgba(15, 23, 42, 0.12) !important;
  border-right: 1px solid rgba(255, 255, 255, 0.05) !important;
}

.brand-link {
  background: rgba(15, 23, 42, 0.6) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  padding: 1.1rem 1.25rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  color: #ffffff !important;
}

.sidebar .nav-sidebar .nav-item {
  margin: 3px 10px;
}

.sidebar .nav-sidebar .nav-link {
  border-radius: var(--lib-radius-md) !important;
  color: #94a3b8 !important;
  font-weight: 500;
  font-size: 0.88rem;
  padding: 9px 14px !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
}

.sidebar .nav-sidebar .nav-link i.nav-icon {
  font-size: 1rem;
  margin-right: 10px;
  width: 22px;
  text-align: center;
  color: #64748b;
  transition: color 0.2s;
}

.sidebar .nav-sidebar .nav-link:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #ffffff !important;
}

.sidebar .nav-sidebar .nav-link:hover i.nav-icon {
  color: var(--lib-accent);
}

.sidebar .nav-sidebar .nav-link.active,
.sidebar-dark-primary .nav-sidebar > .nav-item > .nav-link.active {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35) !important;
  font-weight: 600;
}

.sidebar .nav-sidebar .nav-link.active i.nav-icon {
  color: #ffffff !important;
}

.sidebar .nav-header {
  color: #64748b !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 12px 16px 4px 16px !important;
}

/* ==========================================================================
   4. Cards & Containers (Anti-Kaku)
   ========================================================================== */
.card {
  background: var(--lib-card-bg) !important;
  border-radius: var(--lib-radius-lg) !important;
  border: 1px solid var(--lib-border) !important;
  box-shadow: var(--lib-shadow-md) !important;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  overflow: hidden;
}

.card.card-outline {
  border-top-width: 3px !important;
}

.card-header {
  background-color: transparent !important;
  border-bottom: 1px solid var(--lib-border) !important;
  padding: 1rem 1.25rem !important;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header .card-title {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  color: var(--lib-primary) !important;
  margin: 0;
}

.card-body {
  padding: 1.25rem !important;
}

.card-footer {
  background-color: #f8fafc !important;
  border-top: 1px solid var(--lib-border) !important;
  padding: 0.85rem 1.25rem !important;
  border-bottom-left-radius: var(--lib-radius-lg) !important;
  border-bottom-right-radius: var(--lib-radius-lg) !important;
}

/* ==========================================================================
   5. Buttons & Badges
   ========================================================================== */
.btn {
  border-radius: var(--lib-radius-md) !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  letter-spacing: -0.01em;
  padding: 0.45rem 1rem !important;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-sm {
  padding: 0.32rem 0.75rem !important;
  font-size: 0.8rem !important;
  border-radius: var(--lib-radius-sm) !important;
}

.btn-lg {
  padding: 0.65rem 1.4rem !important;
  font-size: 0.95rem !important;
  border-radius: var(--lib-radius-md) !important;
}

.btn-primary {
  background: var(--lib-primary) !important;
  border-color: var(--lib-primary) !important;
  color: #ffffff !important;
}

.btn-primary:hover, .btn-primary:focus {
  background: var(--lib-secondary) !important;
  border-color: var(--lib-secondary) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2) !important;
}

.btn-warning, .btn-accent {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
  border-color: #f97316 !important;
  color: #ffffff !important;
}

.btn-warning:hover, .btn-accent:hover {
  background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%) !important;
  border-color: #ea580c !important;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3) !important;
}

.btn-success {
  background: #10b981 !important;
  border-color: #10b981 !important;
}

.btn-success:hover {
  background: #059669 !important;
  border-color: #059669 !important;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25) !important;
}

.btn-danger {
  background: #f43f5e !important;
  border-color: #f43f5e !important;
}

.btn-outline-primary {
  border-color: #cbd5e1 !important;
  color: var(--lib-primary) !important;
}

.btn-outline-primary:hover {
  background: var(--lib-primary) !important;
  color: #ffffff !important;
}

.badge {
  border-radius: 6px !important;
  font-weight: 600 !important;
  padding: 0.35em 0.65em !important;
  font-size: 0.78rem !important;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   6. Form Controls & Search Inputs
   ========================================================================== */
.form-control, .custom-select, .select2-container--default .select2-selection--single {
  border-radius: var(--lib-radius-md) !important;
  border: 1.5px solid #cbd5e1 !important;
  padding: 0.5rem 0.85rem !important;
  font-size: 0.88rem !important;
  transition: all 0.2s ease !important;
  background-color: #ffffff !important;
}

.form-control:focus, .custom-select:focus,
.select2-container--default.select2-container--focus .select2-selection--single {
  border-color: var(--lib-accent) !important;
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15) !important;
  outline: none !important;
}

.input-group > .form-control:first-child {
  border-top-left-radius: var(--lib-radius-md) !important;
  border-bottom-left-radius: var(--lib-radius-md) !important;
}

.input-group > .btn:last-child,
.input-group > .input-group-append > .btn {
  border-top-right-radius: var(--lib-radius-md) !important;
  border-bottom-right-radius: var(--lib-radius-md) !important;
}

/* ==========================================================================
   7. Tables & DataTables Styling
   ========================================================================== */
.table {
  color: var(--lib-text-main);
  border-collapse: separate !important;
  border-spacing: 0 !important;
}

.table thead th {
  background-color: #f8fafc !important;
  color: #475569 !important;
  font-weight: 700 !important;
  font-size: 0.78rem !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  border-top: none !important;
  border-bottom: 2px solid var(--lib-border) !important;
  padding: 0.85rem 1rem !important;
}

.table tbody td {
  padding: 0.85rem 1rem !important;
  vertical-align: middle !important;
  border-top: 1px solid var(--lib-border) !important;
  font-size: 0.88rem;
}

.table-hover tbody tr:hover {
  background-color: #f1f5f9 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: var(--lib-radius-sm) !important;
  margin: 0 2px !important;
  font-weight: 600 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--lib-primary) !important;
  border-color: var(--lib-primary) !important;
  color: #ffffff !important;
}

/* ==========================================================================
   8. Modals
   ========================================================================== */
.modal-content {
  border-radius: var(--lib-radius-xl) !important;
  border: 1px solid var(--lib-border) !important;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25) !important;
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--lib-border) !important;
  padding: 1.15rem 1.5rem !important;
  background-color: #ffffff;
}

.modal-header .modal-title {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--lib-primary);
}

.modal-footer {
  border-top: 1px solid var(--lib-border) !important;
  padding: 0.95rem 1.5rem !important;
  background-color: #f8fafc;
}

/* ==========================================================================
   9. Small Info Boxes / Stats Widgets
   ========================================================================== */
.small-box {
  border-radius: var(--lib-radius-lg) !important;
  box-shadow: var(--lib-shadow-md) !important;
  border: none !important;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.small-box:hover {
  transform: translateY(-2px);
  box-shadow: var(--lib-shadow-lg) !important;
}

.small-box .icon {
  color: rgba(255, 255, 255, 0.2) !important;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}