/* ==========================================================================
   Premium ERP Design System
   Inter font + CSS custom properties + component library
   ========================================================================== */

/* --------------------------------------------------------------------------
   @font-face — Inter
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter/inter-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter/inter-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter/inter-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  --sidebar-bg: #0B1120;
  --sidebar-width: 260px;
  --accent: #4F6EF7;
  --accent-dark: #3D5CE8;
  --surface: #F8FAFC;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --text: #0F172A;
  --text-muted: #64748B;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Custom Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* --------------------------------------------------------------------------
   Keyframes
   -------------------------------------------------------------------------- */
@keyframes slideUp {
  from {
    transform: translateY(16px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  min-height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-nav a,
.sidebar-nav .nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border-radius: 10px;
  margin: 2px 10px;
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all .18s ease;
  border-left: 3px solid transparent;
  cursor: pointer;
}

.sidebar-nav a:hover,
.sidebar-nav .nav-item:hover {
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.07);
}

.sidebar-nav a.active,
.sidebar-nav .nav-item.active {
  background: linear-gradient(90deg, rgba(79,110,247,.2) 0%, rgba(79,110,247,.05) 100%);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   ERP Card
   -------------------------------------------------------------------------- */
.erp-card {
  background: var(--card);
  border-radius: 16px;
  border: 1px solid #F1F5F9;
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   ERP Badges
   -------------------------------------------------------------------------- */
.erp-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .01em;
  white-space: nowrap;
}

.badge-green {
  background: #DCFCE7;
  color: #15803D;
}

.badge-red {
  background: #FEE2E2;
  color: #DC2626;
}

.badge-blue {
  background: #DBEAFE;
  color: #1D4ED8;
}

.badge-orange {
  background: #FFEDD5;
  color: #C2410C;
}

.badge-gray {
  background: #F1F5F9;
  color: #475569;
}

.badge-purple {
  background: #F3E8FF;
  color: #7E22CE;
}

/* --------------------------------------------------------------------------
   ERP Buttons
   -------------------------------------------------------------------------- */
.erp-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: box-shadow .18s ease, transform .18s ease;
  text-decoration: none;
  white-space: nowrap;
}

.erp-btn-primary:hover {
  box-shadow: var(--shadow-md), 0 0 0 0 transparent;
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.erp-btn-primary:active {
  transform: translateY(0);
}

.erp-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  color: #334155;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.erp-btn-secondary:hover {
  background: #F8FAFC;
  border-color: #CBD5E1;
  color: #334155;
  text-decoration: none;
}

.erp-btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #EF4444;
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.erp-btn-danger:hover {
  background: #DC2626;
  color: #fff;
  text-decoration: none;
}

.erp-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-muted);
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
  flex-shrink: 0;
}

.erp-btn-icon:hover {
  background: #F1F5F9;
  border-color: #CBD5E1;
  color: var(--text);
}

/* --------------------------------------------------------------------------
   ERP Form Controls
   -------------------------------------------------------------------------- */
.erp-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 6px;
}

.erp-input {
  width: 100%;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

.erp-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(79,110,247,.1);
}

.erp-input::placeholder {
  color: #94A3B8;
}

.erp-input:disabled {
  background: #F8FAFC;
  color: #94A3B8;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   ERP Modal
   -------------------------------------------------------------------------- */
.erp-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(15,23,42,.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn .15s ease;
}

.erp-modal {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.18), 0 8px 24px rgba(0,0,0,.1);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideUp .2s ease;
}

.erp-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid #F1F5F9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.erp-modal-header h5,
.erp-modal-header .modal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.erp-modal-body {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  flex: 1 1 auto;
  /* slim scrollbar */
  scrollbar-width: thin;
  scrollbar-color: #CBD5E1 transparent;
}
.erp-modal-body::-webkit-scrollbar { width: 6px; }
.erp-modal-body::-webkit-scrollbar-track { background: transparent; }
.erp-modal-body::-webkit-scrollbar-thumb { background: #CBD5E1; border-radius: 10px; }
.erp-modal-body::-webkit-scrollbar-thumb:hover { background: #94A3B8; }

.erp-modal-footer {
  padding: 14px 24px;
  background: rgba(248,250,252,.8);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid #F1F5F9;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   ERP Page Header
   -------------------------------------------------------------------------- */
.erp-page-header {
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

@media (min-width: 768px) {
  .erp-page-header {
    flex-direction: row;
    align-items: center;
  }
}

.erp-page-title {
  font-size: 22px;
  font-weight: 700;
  color: #0F172A;
  letter-spacing: -.025em;
  margin: 0;
  line-height: 1.2;
}

.erp-page-subtitle {
  font-size: 13px;
  color: #64748B;
  margin-top: 2px;
  font-weight: 400;
}

/* --------------------------------------------------------------------------
   ERP Stat Card
   -------------------------------------------------------------------------- */
.erp-stat-card {
  border-radius: 16px;
  padding: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.erp-stat-card::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.erp-stat-card::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: 20px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}

.erp-stat-card .stat-value {
  font-weight: 900;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -.02em;
  position: relative;
  z-index: 1;
}

.erp-stat-card .stat-label {
  color: rgba(255,255,255,.7);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 600;
  margin-top: 4px;
  position: relative;
  z-index: 1;
}

.erp-stat-card .stat-icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 38px;
  opacity: .2;
  z-index: 0;
}

/* --------------------------------------------------------------------------
   ERP Tab Bar
   -------------------------------------------------------------------------- */
.erp-tab-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.erp-tab {
  padding: 8px 20px;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 600;
  transition: all .15s ease;
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
  line-height: 1.4;
}

.erp-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(79,110,247,.3);
}

.erp-tab.inactive,
.erp-tab:not(.active) {
  background: #fff;
  color: #475569;
  border-color: #E2E8F0;
}

.erp-tab.inactive:hover,
.erp-tab:not(.active):hover {
  border-color: #CBD5E1;
  background: #F8FAFC;
}

/* --------------------------------------------------------------------------
   Table Action Buttons
   -------------------------------------------------------------------------- */
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
  border: none;
  text-decoration: none;
}

.action-btn:hover {
  transform: scale(1.1);
}

.action-btn-view {
  background: #EFF6FF;
  color: #2563EB;
}

.action-btn-view:hover {
  background: #DBEAFE;
}

.action-btn-edit {
  background: #FFF7ED;
  color: #C2410C;
}

.action-btn-edit:hover {
  background: #FFEDD5;
}

.action-btn-delete {
  background: #FEF2F2;
  color: #DC2626;
}

.action-btn-delete:hover {
  background: #FEE2E2;
}

.action-btn-print {
  background: #F0FDF4;
  color: #15803D;
}

.action-btn-print:hover {
  background: #DCFCE7;
}

/* --------------------------------------------------------------------------
   DataTables Premium Overrides
   -------------------------------------------------------------------------- */
table.dataTable {
  width: 100% !important;
  border-collapse: collapse !important;
  border-spacing: 0 !important;
  font-size: 13.5px;
  color: var(--text);
}

table.dataTable thead th,
table.dataTable thead td {
  background: #F8FAFC !important;
  border-top: none !important;
  border-left: none !important;
  border-right: none !important;
  border-bottom: 1px solid #E2E8F0 !important;
  padding: 12px 16px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  letter-spacing: .06em !important;
  color: #64748B !important;
  white-space: nowrap;
  cursor: pointer;
}

table.dataTable thead th:hover {
  background: #F1F5F9 !important;
}

table.dataTable tbody td {
  padding: 11px 16px !important;
  border-top: none !important;
  border-bottom: 1px solid #F1F5F9 !important;
  vertical-align: middle;
}

table.dataTable tbody tr {
  transition: background .12s ease;
}

table.dataTable tbody tr:hover {
  background: #F8FAFC !important;
  cursor: pointer;
}

table.dataTable tbody tr:nth-child(even) {
  background: rgba(248,250,252,.5);
}

table.dataTable tbody tr:nth-child(even):hover {
  background: #F1F5F9 !important;
}

/* Remove DataTables default borders */
table.dataTable.no-footer {
  border-bottom: 1px solid #E2E8F0 !important;
}

table.dataTable thead .sorting,
table.dataTable thead .sorting_asc,
table.dataTable thead .sorting_desc {
  background-image: none !important;
  padding-right: 24px !important;
  position: relative;
}

table.dataTable thead .sorting::after,
table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::after {
  font-family: inherit;
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  opacity: .4;
}

table.dataTable thead .sorting::after {
  content: '⇅';
}

table.dataTable thead .sorting_asc::after {
  content: '↑';
  opacity: .85;
  color: var(--accent);
}

table.dataTable thead .sorting_desc::after {
  content: '↓';
  opacity: .85;
  color: var(--accent);
}

/* DataTables Wrapper */
.dataTables_wrapper {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text);
}

.dataTables_wrapper .dataTables_length {
  margin-bottom: 16px;
}

.dataTables_wrapper .dataTables_length label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748B;
  font-weight: 500;
  margin: 0;
}

.dataTables_wrapper .dataTables_length select {
  appearance: none;
  -webkit-appearance: none;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 10px center;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 6px 32px 6px 12px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  cursor: pointer;
  outline: none;
  transition: border-color .15s ease;
  min-width: 72px;
}

.dataTables_wrapper .dataTables_length select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,110,247,.1);
}

.dataTables_wrapper .dataTables_filter {
  margin-bottom: 16px;
}

.dataTables_wrapper .dataTables_filter label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #64748B;
  font-weight: 500;
  margin: 0;
}

.dataTables_wrapper .dataTables_filter input {
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  padding: 7px 14px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
  min-width: 220px;
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79,110,247,.1);
}

.dataTables_wrapper .dataTables_filter input::placeholder {
  color: #94A3B8;
}

/* DataTables Info */
.dataTables_wrapper .dataTables_info {
  font-size: 12.5px;
  color: #64748B;
  padding-top: 12px;
}

/* DataTables Pagination */
.dataTables_wrapper .dataTables_paginate {
  padding-top: 12px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  margin: 0 2px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  border: 1px solid transparent !important;
  background: transparent !important;
  color: #475569 !important;
  transition: all .15s ease;
  box-shadow: none !important;
  text-decoration: none;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: #F1F5F9 !important;
  border-color: #E2E8F0 !important;
  color: var(--text) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
  box-shadow: 0 2px 8px rgba(79,110,247,.3) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
  opacity: .4;
  cursor: not-allowed;
  color: #94A3B8 !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.previous,
.dataTables_wrapper .dataTables_paginate .paginate_button.next {
  font-weight: 600;
}

/* DataTables Table Wrapper */
.dataTables_wrapper .dataTables_scroll,
.dt-container {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #E2E8F0;
}

div.dataTables_wrapper div.dataTables_scrollHead table,
div.dataTables_wrapper div.dataTables_scrollBody table {
  margin: 0 !important;
}

/* --------------------------------------------------------------------------
   Utility / Helper Classes
   -------------------------------------------------------------------------- */
.erp-divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

.erp-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  color: #94A3B8;
}

.erp-empty-state .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: .5;
}

.erp-empty-state p {
  font-size: 13.5px;
  font-weight: 500;
  margin: 0;
}

.erp-section-title {
  font-size: 13px;
  font-weight: 700;
  color: #0F172A;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 12px;
}

/* Spinner */
.erp-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Alert banners */
.erp-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
}

.erp-alert-info {
  background: #EFF6FF;
  color: #1E40AF;
  border-color: #BFDBFE;
}

.erp-alert-success {
  background: #F0FDF4;
  color: #15803D;
  border-color: #BBF7D0;
}

.erp-alert-warning {
  background: #FFFBEB;
  color: #B45309;
  border-color: #FDE68A;
}

.erp-alert-danger {
  background: #FEF2F2;
  color: #DC2626;
  border-color: #FECACA;
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .sidebar,
  .topbar,
  .navbar,
  .erp-sidebar,
  .erp-topbar,
  [class*="sidebar"],
  [class*="topbar"],
  [class*="navbar"],
  .erp-tab-bar,
  .dataTables_wrapper .dataTables_filter,
  .dataTables_wrapper .dataTables_length,
  .dataTables_wrapper .dataTables_paginate,
  .dataTables_wrapper .dataTables_info,
  .erp-btn-primary,
  .erp-btn-secondary,
  .erp-btn-danger,
  .erp-btn-icon,
  .action-btn,
  .no-print {
    display: none !important;
  }

  body {
    background: #fff !important;
    font-size: 12px;
  }

  .main-content,
  .content-wrapper,
  [class*="main-content"],
  [class*="content-wrapper"] {
    margin-left: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .erp-card {
    box-shadow: none !important;
    border: 1px solid #E2E8F0 !important;
    border-radius: 4px !important;
  }

  table.dataTable thead th,
  table.dataTable thead td {
    background: #F8FAFC !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  @page {
    margin: 16mm;
  }
}