:root {
  --primary: #196f3e;
  --primary-hover: #218c4a;
  --primary-dark: #0f4d2a;
  --accent: #ef5929;
  --accent-hover: #f27a4f;
  --accent-light: #fde8e0;
  --navbar-bg: #196f3e;
  --navbar-text: #ffffff;
  --sidebar-bg: #ffffff;
  --sidebar-text: #212529;
  --sidebar-hover: #f0fdf4;
  --sidebar-active-bg: #e8f5e9;
  --sidebar-active-border: #ef5929;
  --body-bg: #f5f6fa;
  --card-bg: #ffffff;
  --card-shadow: rgba(0,0,0,0.06);
  --text-color: #212529;
  --text-muted: #6c757d;
  --table-header-bg: #196f3e;
  --table-header-text: #ffffff;
  --table-hover: rgba(25,111,62,0.05);
  --table-border: #e9ecef;
  --table-bg: #ffffff;
  --input-bg: #ffffff;
  --input-border: #ced4da;
  --dropdown-bg: #ffffff;
  --dropdown-text: #212529;
  --dropdown-hover: #f0fdf4;
  --border-color: #dee2e6;
  --pagination-bg: #ffffff;
  --pagination-color: #212529;
  --pagination-active-bg: #196f3e;
  --pagination-active-border: #196f3e;
  --pagination-active-color: #ffffff;
}

.dark-mode {
  --primary: #2adb76;
  --primary-hover: #4ce38e;
  --primary-dark: #0a2e18;
  --accent: #2adb76;
  --accent-hover: #4ce38e;
  --accent-light: #0a2e18;
  --navbar-bg: #0f4d2a;
  --navbar-text: #e0e0e0;
  --sidebar-bg: #1a1a2e;
  --sidebar-text: #c8c8d0;
  --sidebar-hover: #25253e;
  --sidebar-active-bg: #2a2a45;
  --sidebar-active-border: #2adb76;
  --body-bg: #121212;
  --card-bg: #1e1e2e;
  --card-shadow: rgba(0,0,0,0.3);
  --text-color: #e0e0e0;
  --text-muted: #a0a0b0;
  --table-header-bg: #0f4d2a;
  --table-header-text: #e0e0e0;
  --table-hover: rgba(42,219,118,0.1);
  --table-border: #2a2a3e;
  --table-bg: #1e1e2e;
  --input-bg: #2a2a3e;
  --input-border: #3a3a4e;
  --dropdown-bg: #1a1a2e;
  --dropdown-text: #e0e0e0;
  --dropdown-hover: #25253e;
  --border-color: #2a2a3e;
  --pagination-bg: #1e1e2e;
  --pagination-color: #e0e0e0;
  --pagination-active-bg: #2adb76;
  --pagination-active-border: #2adb76;
  --pagination-active-color: #000000;
}

* { transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease; }

body {
  min-height: 100vh;
  background-color: var(--body-bg);
  color: var(--text-color);
}

/* ─── Navbar ─── */
.navbar.bg-primary {
  background: var(--navbar-bg) !important;
}
.navbar.bg-primary .navbar-brand {
  color: var(--navbar-text);
}
.navbar.bg-primary .navbar-brand i {
  color: var(--accent);
}
.navbar.bg-primary .btn-outline-light {
  border-color: rgba(255,255,255,0.3);
  color: var(--navbar-text);
}
.navbar.bg-primary .btn-outline-light:hover {
  background: rgba(255,255,255,0.15);
}
.navbar.bg-primary .text-light {
  color: var(--navbar-text) !important;
}

.theme-toggle {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--navbar-text);
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  padding: 0;
  line-height: 1;
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.25);
  transform: scale(1.05);
}

.lang-switcher .btn {
  font-size: 0.8rem;
  padding: 2px 10px;
  white-space: nowrap;
}
.lang-switcher .dropdown-menu {
  min-width: 130px;
}

/* ─── Sidebar ─── */
.sidebar {
  width: 250px;
  min-height: calc(100vh - 56px);
  transition: width 0.3s ease;
  overflow: hidden;
  white-space: nowrap;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
}
.sidebar.collapsed {
  width: 60px;
}
.sidebar.collapsed .sidebar-text {
  display: none;
}
.sidebar .nav-link {
  border-radius: 10px;
  padding: 10px 14px;
  transition: all 0.15s;
  color: var(--sidebar-text);
  margin: 2px 8px;
  font-weight: 500;
  font-size: 0.9rem;
}
.sidebar .nav-link:hover {
  background: var(--sidebar-hover);
  color: var(--primary);
}
.sidebar .nav-link.active {
  background: var(--sidebar-active-bg);
  color: var(--primary);
  font-weight: 600;
  border-left: 3px solid var(--sidebar-active-border);
  margin-left: 5px;
}
.sidebar .nav-link i {
  font-size: 1.15rem;
  width: 22px;
  text-align: center;
}
.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-color);
}

.dept-dropdown-btn {
  width: 100%;
  text-align: left;
  background: var(--sidebar-hover);
  border: 1px solid var(--border-color);
  color: var(--sidebar-text);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dept-dropdown-btn .sidebar-text {
  display: inline-block;
  vertical-align: middle;
  max-width: calc(100% - 30px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dept-dropdown-btn:hover {
  background: var(--sidebar-active-bg);
}
.sidebar .dropdown-menu {
  max-height: min(60vh, 420px);
  overflow-y: auto;
}

/* ─── Main ─── */
.main-content {
  min-height: calc(100vh - 56px);
  overflow-x: auto;
}

/* ─── Cards ─── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px var(--card-shadow);
  border-radius: 16px;
}
.card.border-primary {
  border-color: var(--primary) !important;
}
.card.border-success {
  border-color: var(--primary) !important;
}
.card.border-warning {
  border-color: var(--accent) !important;
}

/* ─── Tables ─── */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-responsive .table {
  min-width: 1600px;
  margin-bottom: 0;
}
.table-responsive .asset-table {
  min-width: 1900px;
}
.table-responsive .table,
.table-responsive .table tbody,
.table-responsive .table tbody tr,
.table-responsive .table tbody td {
  background: var(--table-bg);
}
.table {
  --bs-table-bg: var(--table-bg);
  --bs-table-color: var(--text-color);
  --bs-table-hover-bg: var(--table-hover);
  --bs-table-striped-bg: var(--table-hover);
}
.table thead th {
  background: var(--table-header-bg) !important;
  color: var(--table-header-text) !important;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  border-bottom: none !important;
  border-color: var(--table-border) !important;
}
.table td {
  padding: 10px 16px;
  vertical-align: middle;
  border-color: var(--table-border);
  color: var(--text-color);
  font-size: 0.87rem;
  white-space: nowrap;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.table td:first-child,
.table td:nth-child(2) {
  max-width: 120px;
}
.table tbody tr:hover {
  --bs-table-hover-bg: var(--table-hover);
}

/* Column vertical borders */
.table-bordered-columns th,
.table-bordered-columns td {
  border-right: 1px solid var(--table-border);
}
.table-bordered-columns th:last-child,
.table-bordered-columns td:last-child {
  border-right: none;
}
.table-bordered-columns thead th {
  border-bottom: 2px solid var(--table-border);
}

.table th a {
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.table th a:hover {
  text-decoration: underline !important;
}
.table-dark {
  --bs-table-bg: var(--table-header-bg);
  --bs-table-color: var(--table-header-text);
}

/* Scrollable department list with sticky header */
.dept-scroll {
  max-height: 420px;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.dept-scroll .table {
  min-width: 0;
}
.dept-scroll thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

/* ─── Forms ─── */
.form-control, .form-select, .input-group-text {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-color);
  border-radius: 8px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(25,111,62,0.15);
}
.form-control::placeholder {
  color: var(--text-muted);
}
.form-label {
  color: var(--text-color);
}
.card-body.bg-light {
  background: var(--sidebar-hover) !important;
}

/* ─── Buttons ─── */
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 8px;
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-outline-primary {
  border-color: var(--primary);
  color: var(--primary);
  border-radius: 8px;
}
.btn-outline-primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-outline-danger {
  border-color: var(--accent);
  color: var(--accent);
  border-radius: 8px;
}
.btn-outline-danger:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-success {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 8px;
}
.btn-success:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.btn-warning {
  border-radius: 8px;
}

/* ─── Pagination ─── */
.page-link {
  background: var(--pagination-bg);
  border: 1px solid var(--border-color);
  color: var(--pagination-color);
  border-radius: 8px !important;
  margin: 0 2px;
}
.page-link:hover {
  background: var(--sidebar-hover);
  color: var(--primary);
  border-color: var(--border-color);
}
.page-item.active .page-link {
  background: var(--pagination-active-bg);
  border-color: var(--pagination-active-border);
  color: var(--pagination-active-color);
}
.page-item.disabled .page-link {
  background: var(--pagination-bg);
  color: var(--text-muted);
  border-color: var(--border-color);
}

/* ─── Alerts ─── */
.alert-success {
  background: rgba(25,111,62,0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: 10px;
}
.alert-danger {
  background: rgba(239,89,41,0.1);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 10px;
}
.alert-warning {
  background: rgba(239,89,41,0.08);
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 10px;
}
.alert-info {
  border-radius: 10px;
}

/* ─── Badges ─── */
.badge.bg-success {
  background: var(--primary) !important;
}
.badge.bg-secondary {
  background: var(--text-muted) !important;
}

/* ─── Dropdown ─── */
.dropdown-menu {
  background: var(--dropdown-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.dropdown-menu .dropdown-item {
  color: var(--dropdown-text);
  border-radius: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dropdown-menu .dropdown-item:hover {
  background: var(--dropdown-hover);
  color: var(--primary);
}
.dropdown-menu .dropdown-item.active {
  background: var(--sidebar-active-bg);
  color: var(--primary);
}

/* ─── Upload Zone ─── */
.border-dashed {
  border-style: dashed !important;
}
.upload-zone {
  cursor: pointer;
  transition: all 0.3s;
}
.upload-zone:hover {
  background: var(--sidebar-hover);
  border-color: var(--primary) !important;
}

/* ─── Sidebar overlay ─── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 999;
}

@media (max-width: 767.98px) {
  .sidebar {
    position: fixed;
    left: -260px;
    top: 56px;
    bottom: 0;
    z-index: 1000;
    width: 250px !important;
    transition: left 0.3s ease;
  }
  .sidebar.show {
    left: 0;
  }
  .sidebar.collapsed {
    width: 250px !important;
  }
  .sidebar.collapsed .sidebar-text {
    display: inline;
  }
  .sidebar-overlay.show {
    display: block;
  }
}

/* ─── User Dropdown ─── */
.user-dropdown { position: relative; cursor: pointer; }
.user-dropdown .dropdown-menu { display: none; top: 100%; right: 0; margin-top: 2px; min-width: 220px; left: auto; }
.user-dropdown:hover .dropdown-menu { display: block; }
.user-dropdown .dropdown-toggle::after { vertical-align: middle; }

/* ─── Modal ─── */
.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  color: var(--text-color);
}
.modal-header {
  border-bottom: 1px solid var(--border-color);
}
.modal-footer {
  border-top: 1px solid var(--border-color);
}
.btn-close {
  filter: var(--btn-close-filter, none);
}
.dark-mode .btn-close {
  --btn-close-filter: invert(1) brightness(200%);
}

/* ─── Nav tabs ─── */
.nav-tabs .nav-link {
  color: var(--text-muted);
  border: none;
  padding: 10px 20px;
  font-weight: 500;
}
.nav-tabs .nav-link.active {
  color: var(--primary);
  background: transparent;
  border-bottom: 3px solid var(--primary);
}
.nav-tabs .nav-link:hover {
  color: var(--primary);
}

/* ─── Misc ─── */
hr {
  border-color: var(--border-color);
}
.text-muted {
  color: var(--text-muted) !important;
}
.text-primary {
  color: var(--primary) !important;
}
.card-subtitle {
  color: var(--text-muted) !important;
}

/* ─── Stat cards ─── */
.stat-number {
  font-size: 2rem;
  font-weight: 700;
}

/* ─── Dark mode fixes ─── */
.dark-mode .dropdown-item-text {
  color: var(--dropdown-text);
}
.dark-mode .dropdown-item-text .text-muted {
  color: var(--text-muted) !important;
}
.dark-mode .dropdown-item-text strong {
  color: var(--dropdown-text);
}
.dark-mode .card-body.bg-light {
  background: var(--sidebar-hover) !important;
  color: var(--text-color);
}
.dark-mode .card-body.bg-light .fw-bold,
.dark-mode .card-body.bg-light label {
  color: var(--text-color);
}
.dark-mode .card-body.bg-light .form-check-label {
  color: var(--text-color);
}
.dark-mode .text-success {
  color: var(--primary) !important;
}
.dark-mode .upload-zone p {
  color: var(--text-color);
}
.dark-mode .upload-zone .text-muted {
  color: var(--text-muted) !important;
}
.dark-mode .form-check-input {
  background-color: var(--input-bg);
  border-color: var(--input-border);
}
.dark-mode .form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}
.dark-mode .form-check-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(42,219,118,0.2);
}
.dark-mode .border-dashed {
  border-color: var(--input-border) !important;
}
.dark-mode .card-body p {
  color: var(--text-color) !important;
}
.dark-mode .card-title {
  color: var(--text-color);
}
.dark-mode .card-body p a {
  color: var(--primary-hover);
}
.dark-mode .card-body p a:hover {
  color: var(--primary);
}
.dark-mode .table .badge {
  color: #fff;
}

/* ─── Navbar User Info ─── */
.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 8px;
  transition: background 0.2s;
}
.user-info:hover {
  background: rgba(255,255,255,0.12);
}
.user-avatar-wrapper {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.user-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}
.user-avatar-icon {
  font-size: 1.6rem;
  color: var(--navbar-text);
  line-height: 1;
}
.user-details {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.user-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--navbar-text);
}
.user-email {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.65);
}

/* ─── Profile Modal ─── */
.profile-preview-wrapper {
  width: 120px;
  height: 120px;
  margin: 0 auto;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--border-color);
  background: var(--sidebar-hover);
  cursor: pointer;
  position: relative;
}
.profile-preview-wrapper:hover .profile-preview-overlay {
  opacity: 1;
}
.profile-preview-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  color: #fff;
  font-size: 1.8rem;
}
.profile-preview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-preview-icon {
  font-size: 5rem;
  color: var(--text-muted);
  line-height: 1;
}
#profileFileInput {
  font-size: 0.8rem;
}

/* ─── Sidebar Toggle ─── */
#sidebarToggle {
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: transparent;
  padding: 4px 6px;
  line-height: 1;
  border-radius: 6px;
  flex-shrink: 0;
  font-size: 0.9rem;
  transition: all 0.2s;
}
#sidebarToggle:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--sidebar-hover);
}

/* ─── Sidebar Collapsed ─── */
.sidebar.collapsed .sidebar-header {
  padding: 16px 0;
  justify-content: center !important;
}
.sidebar.collapsed .sidebar-header > *:first-child {
  display: none;
}
.sidebar.collapsed #sidebarToggle {
  margin-left: 0;
}
.sidebar.collapsed .nav-link {
  padding: 10px 0;
  text-align: center;
  margin: 2px 0;
}
.sidebar.collapsed .nav-link i {
  width: auto;
  font-size: 1.2rem;
}
.sidebar.collapsed .nav-link .sidebar-text {
  display: none;
}

/* ─── Document View Toggle ─── */
.view-toggle .btn {
  border-radius: 0;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  background: var(--card-bg);
  padding: 6px 14px;
  font-size: 0.85rem;
}
.view-toggle .btn:first-child {
  border-radius: 8px 0 0 8px;
}
.view-toggle .btn:last-child {
  border-radius: 0 8px 8px 0;
}
.view-toggle .btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.view-toggle .btn:not(.active):hover {
  background: var(--sidebar-hover);
  color: var(--text-color);
}

/* ─── Doc Grid ─── */
.doc-grid { display: none; }
.doc-grid.active { display: flex; }
.doc-card {
  padding: 1rem;
  text-align: center;
  border-radius: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
  cursor: default;
}
.doc-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px var(--card-shadow);
}
.doc-card .doc-icon {
  font-size: 3rem;
  color: #e74c3c;
  display: block;
  line-height: 1;
  transition: transform 0.2s;
}
.doc-card:hover .doc-icon {
  transform: scale(1.05);
}
.doc-card .doc-name {
  font-weight: 600;
  font-size: 0.85rem;
  margin: 8px 0 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.doc-card .doc-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.doc-card .doc-dept {
  display: inline-block;
  margin: 4px auto;
}
.doc-card .doc-actions {
  margin-top: 8px;
  display: flex;
  gap: 4px;
  justify-content: center;
}
.doc-card .doc-actions .btn {
  padding: 2px 8px;
  font-size: 0.8rem;
}

/* ─── Doc List ─── */
.doc-list { display: none; }
.doc-list.active { display: block; }
.doc-list .table {
  min-width: 700px;
  margin-bottom: 0;
}
.doc-list .table th {
  background: var(--table-header-bg) !important;
  color: var(--table-header-text) !important;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  border-bottom: none !important;
  border-color: var(--table-border) !important;
  white-space: nowrap;
}
.doc-list .table th a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.doc-list .table th a:hover {
  text-decoration: underline;
}
.doc-list .table td {
  padding: 8px 12px;
  vertical-align: middle;
  border-color: var(--table-border);
  color: var(--text-color);
  font-size: 0.85rem;
}
.doc-list .table tbody tr:hover {
  background: var(--table-hover);
}
.doc-list .table .doc-name-cell {
  font-weight: 500;
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Search Bar ─── */
.search-bar .input-group {
  max-width: 320px;
}
.search-bar .form-control {
  font-size: 0.85rem;
}
.search-results-bar {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 6px 0;
}
.search-results-bar strong {
  color: var(--text-color);
}

/* ─── Doc toolbar responsive ─── */
@media (max-width: 768px) {
  .doc-toolbar {
    flex-direction: column;
    gap: 8px;
  }
  .search-bar .input-group {
    max-width: 100%;
  }
}