/**
 * Saksham IMS — Modern theme overlay
 * Safe to apply: presentation only, does not change app logic.
 */

:root {
  --ims-primary: #1d4ed8;
  --ims-primary-hover: #1e40af;
  --ims-primary-soft: #dbeafe;
  --ims-accent: #0ea5e9;
  --ims-bg: #f1f5f9;
  --ims-surface: #ffffff;
  --ims-border: #e2e8f0;
  --ims-text: #0f172a;
  --ims-text-muted: #64748b;
  --ims-success: #059669;
  --ims-danger: #dc2626;
  --ims-warning: #d97706;
  --ims-radius: 12px;
  --ims-radius-sm: 8px;
  --ims-shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 8px 24px rgba(15, 23, 42, 0.08);
  --ims-shadow-lg: 0 4px 6px rgba(15, 23, 42, 0.05), 0 20px 40px rgba(15, 23, 42, 0.12);
  --ims-font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --ims-header-height: 64px;
  --ims-nav-height: 52px;
}

/* Base */
body {
  font-family: var(--ims-font) !important;
  color: var(--ims-text) !important;
  background: var(--ims-bg) !important;
  background-image: none !important;
}

body.authentication {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1d4ed8 100%) !important;
  min-height: 100vh;
}

/* Login layout */
.auth-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  width: 100%;
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 32px;
}

.auth-panel--brand {
  background: rgba(255, 255, 255, 0.06);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
}

.auth-brand {
  max-width: 420px;
}

.auth-logo {
  max-width: 220px;
  max-height: 80px;
  width: auto;
  height: auto;
  margin-bottom: 24px;
  filter: brightness(0) invert(1);
}

.auth-logo--custom {
  filter: none;
  background: #fff;
  padding: 10px 14px;
  border-radius: var(--ims-radius-sm);
  max-width: 280px;
  max-height: 96px;
}

.auth-title {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.auth-subtitle {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: 32px;
}

.auth-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.auth-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
  opacity: 0.9;
}

.auth-features .fa {
  color: #93c5fd;
}

.auth-panel--form {
  background: var(--ims-bg);
}

.login-screen {
  width: 100%;
  max-width: 420px;
  background: transparent !important;
  box-shadow: none !important;
  padding: 0 !important;
}

.login-box {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow-lg);
  padding: 40px 36px;
}

.login-box__header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--ims-text);
}

.login-box__header p {
  color: var(--ims-text-muted);
  margin: 0 0 28px;
  font-size: 0.95rem;
}

.login-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ims-text);
  margin-bottom: 6px;
}

.login-form .form-control {
  height: 44px;
  border-radius: var(--ims-radius-sm);
  border: 1px solid var(--ims-border);
  padding: 10px 14px;
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.login-form .form-control:focus {
  border-color: var(--ims-primary);
  box-shadow: 0 0 0 3px var(--ims-primary-soft);
  outline: none;
}

.login-screen .actions {
  margin-top: 24px;
  display: block;
}

.login-screen .actions .btn-primary {
  width: 100%;
  height: 44px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--ims-radius-sm);
  background: var(--ims-primary);
  border-color: var(--ims-primary);
  transition: background 0.15s, transform 0.1s;
}

.login-screen .actions .btn-primary:hover {
  background: var(--ims-primary-hover);
  border-color: var(--ims-primary-hover);
  transform: translateY(-1px);
}

.login-footnote {
  margin: 24px 0 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ims-text-muted);
}

.login-footnote--links {
  margin-top: 16px;
  margin-bottom: 0;
}

.login-footnote--links a {
  color: var(--ims-primary);
  font-weight: 500;
  text-decoration: none;
}

.login-footnote--links a:hover {
  text-decoration: underline;
}

.login-footnote--links span {
  margin: 0 8px;
  color: var(--ims-border);
}

.ims-auth-info {
  background: #f8fafc;
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius-sm);
  padding: 16px 18px;
  font-size: 0.875rem;
  color: var(--ims-text-muted);
}

.ims-auth-info ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.ims-settings-preview {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.ims-settings-preview h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.ims-settings-preview__box {
  border: 1px dashed var(--ims-border);
  border-radius: var(--ims-radius-sm);
  padding: 20px;
  margin-bottom: 16px;
  text-align: center;
}

.ims-settings-preview__box--auth {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
}

.ims-settings-preview__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ims-text-muted);
  margin-bottom: 12px;
}

.ims-settings-preview__box--auth .ims-settings-preview__label {
  color: rgba(255, 255, 255, 0.8);
}

.ims-settings-preview__logo {
  max-width: 220px;
  max-height: 70px;
  width: auto;
  height: auto;
}

.ims-settings-preview__logo--auth {
  filter: brightness(0) invert(1);
}

.ims-settings-preview__logo--auth.auth-logo--custom {
  filter: none;
  background: #fff;
  padding: 8px 12px;
  border-radius: var(--ims-radius-sm);
}

.ims-settings-preview__note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ims-text-muted);
}

.ims-settings-preview__box--footer {
  text-align: left;
  background: var(--ims-bg);
}

.ims-settings-preview__footer {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ims-text-muted);
  line-height: 1.5;
}

/* Shared layout width – header, nav, and body align */
.ims-layout-container {
  width: 100%;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.custom-navbar > .ims-layout-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

/* Header */
.header {
  background: var(--ims-surface) !important;
  border-bottom: 1px solid var(--ims-border);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  min-height: var(--ims-header-height);
}

.header a.logo img {
  max-height: 44px;
  width: auto;
}

.header-actions > li > a {
  font-size: 0.8125rem;
}

.header-actions > li > a.ip,
.header-actions > li > a.help {
  padding: 6px 12px !important;
  border-radius: 999px !important;
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  text-transform: none !important;
  margin: 0 8px 0 0 !important;
  display: inline-flex !important;
  align-items: center;
  line-height: 1.2 !important;
  white-space: nowrap;
  border: 1px solid #bfdbfe !important;
  background: var(--ims-primary-soft) !important;
  color: var(--ims-primary) !important;
}

.header-actions > li > a.help {
  background: var(--ims-primary) !important;
  border-color: var(--ims-primary) !important;
  color: #fff !important;
}

.header-actions > li > a.user-settings .avatar {
  background: var(--ims-primary) !important;
  font-weight: 600;
}

.header-actions > li > a.user-settings span.user-name {
  color: var(--ims-text) !important;
  font-weight: 500;
}

.header-profile-actions a:hover {
  background: var(--ims-primary-soft) !important;
  color: var(--ims-primary) !important;
}

.ims-user-dropdown {
  min-width: 250px;
  padding: 0 !important;
  border: 1px solid var(--ims-border) !important;
  border-radius: var(--ims-radius-sm) !important;
  box-shadow: var(--ims-shadow-lg) !important;
  overflow: hidden;
}

.ims-user-dropdown .header-profile-actions {
  margin: 0 !important;
  padding: 6px 0 !important;
}

.ims-user-dropdown__header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ims-border);
  background: var(--ims-bg);
}

.ims-user-dropdown__name {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ims-text);
  line-height: 1.45;
  word-break: break-word;
}

.ims-user-dropdown .header-profile-actions a {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 10px 16px !important;
  color: var(--ims-text) !important;
  border-bottom: none !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
}

.ims-user-dropdown .header-profile-actions a i.fa {
  width: 18px;
  min-width: 18px;
  text-align: center;
  color: var(--ims-text-muted);
  font-size: 0.9rem !important;
  margin-right: 0 !important;
  font-weight: 400 !important;
  vertical-align: middle !important;
}

.ims-user-dropdown .header-profile-actions a:hover i.fa {
  color: var(--ims-primary);
}

/* Navigation */
.custom-navbar {
  background: var(--ims-surface) !important;
  border-bottom: 1px solid var(--ims-border);
  box-shadow: none !important;
  min-height: var(--ims-nav-height);
}

.custom-navbar ul.navbar-nav li.nav-item .nav-link {
  color: var(--ims-text-muted) !important;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 14px 16px !important;
  border-radius: var(--ims-radius-sm);
  margin: 4px 2px;
  transition: background 0.15s, color 0.15s;
}

.custom-navbar ul.navbar-nav li.nav-item .nav-link:hover,
.custom-navbar ul.navbar-nav li.nav-item .nav-link.active-page {
  background: var(--ims-primary-soft) !important;
  color: var(--ims-primary) !important;
}

@media (min-width: 992px) {
  .custom-navbar ul.navbar-nav li.nav-item.dropdown {
    position: relative;
  }

  /* Invisible bridge so moving cursor from menu item to dropdown does not close it */
  .custom-navbar ul.navbar-nav li.nav-item.dropdown::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 12px;
    background: transparent;
    z-index: 1049;
    display: none;
  }

  .custom-navbar ul.navbar-nav li.nav-item.dropdown:hover::after,
  .custom-navbar ul.navbar-nav li.nav-item.dropdown.ims-nav-open::after {
    display: block;
  }

  /* Only JS-controlled state opens menus — avoids multiple stuck :hover menus */
  .custom-navbar ul.navbar-nav li.nav-item.dropdown > .dropdown-menu,
  .custom-navbar ul.navbar-nav li.nav-item.dropdown > .ims-nav-dropdown {
    display: none !important;
  }

  .custom-navbar ul.navbar-nav li.nav-item.dropdown.ims-nav-open > .dropdown-menu,
  .custom-navbar ul.navbar-nav li.nav-item.dropdown.ims-nav-open > .ims-nav-dropdown {
    display: block !important;
  }
}

.custom-navbar ul.navbar-nav ul.dropdown-menu,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown {
  border: 1px solid var(--ims-border) !important;
  border-radius: var(--ims-radius-sm) !important;
  box-shadow: var(--ims-shadow-lg) !important;
  padding: 8px !important;
  margin-top: 0 !important;
  min-width: 250px !important;
  width: auto !important;
  max-width: 340px !important;
  z-index: 1050;
}

@media (min-width: 992px) {
  .custom-navbar ul.navbar-nav ul.dropdown-menu,
  .custom-navbar ul.navbar-nav ul.ims-nav-dropdown {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
  }
}

.custom-navbar ul.navbar-nav ul.dropdown-menu:before,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown:before {
  display: none !important;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu li,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown li {
  border-bottom: none !important;
  margin: 0 !important;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu a.dropdown-item,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown a.dropdown-item {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  border-radius: 6px;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  line-height: 1.45 !important;
  padding: 10px 14px !important;
  color: var(--ims-text) !important;
  white-space: normal !important;
  word-break: break-word;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu a.dropdown-item i.fa,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown a.dropdown-item i.fa {
  width: 14px;
  min-width: 14px;
  margin-top: 3px;
  text-align: center;
  font-size: 0.7rem !important;
  color: var(--ims-text-muted) !important;
  flex-shrink: 0;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu a.dropdown-item span,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown a.dropdown-item span {
  flex: 1;
  min-width: 0;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu a.dropdown-item:hover,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown a.dropdown-item:hover {
  background: var(--ims-primary-soft) !important;
  color: var(--ims-primary) !important;
}

.custom-navbar ul.navbar-nav ul.dropdown-menu a.dropdown-item:hover i.fa,
.custom-navbar ul.navbar-nav ul.ims-nav-dropdown a.dropdown-item:hover i.fa {
  color: var(--ims-primary) !important;
}

.custom-navbar ul.navbar-nav li.nav-item.show > .nav-link,
.custom-navbar ul.navbar-nav li.nav-item .nav-link.dropdown-toggle[aria-expanded="true"] {
  background: var(--ims-primary-soft) !important;
  color: var(--ims-primary) !important;
}

/* Main content */
.main-container {
  padding: 24px !important;
  max-width: 1440px;
  margin: 0 auto;
}

.page-header {
  margin-bottom: 20px;
}

.page-header .breadcrumb {
  background: transparent;
  padding: 0;
  margin: 0;
  font-size: 0.875rem;
}

.page-header .breadcrumb-item {
  color: var(--ims-text-muted);
}

.page-header .breadcrumb-item a {
  color: var(--ims-primary);
  font-weight: 500;
  text-decoration: none;
}

.page-header .breadcrumb-item a:hover {
  color: var(--ims-primary-hover);
  text-decoration: underline;
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
  color: var(--ims-text-muted);
}

.page-header .breadcrumb-item.active {
  color: var(--ims-text);
}

.page-header .breadcrumb-item.active a {
  color: var(--ims-text);
  font-weight: 600;
  text-decoration: none;
  pointer-events: none;
}

.content-wrapper {
  animation: ims-fade-in 0.25s ease-out;
}

@keyframes ims-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & tables */
.table-container {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
  padding: 24px;
  margin-bottom: 24px;
}

.table-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ims-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ims-border);
}

.card {
  border: 1px solid var(--ims-border) !important;
  border-radius: var(--ims-radius) !important;
  box-shadow: none !important;
}

.card-body {
  padding: 24px !important;
}

fieldset {
  border: 1px solid var(--ims-border) !important;
  border-radius: var(--ims-radius-sm) !important;
  padding: 20px !important;
  margin-bottom: 20px !important;
}

legend {
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ims-primary) !important;
  padding: 0 8px !important;
  width: auto !important;
}

/* Form controls */
.form-control,
.selectpicker,
.input-group-text {
  border-radius: var(--ims-radius-sm) !important;
  border-color: var(--ims-border) !important;
  font-size: 0.9rem !important;
}

.form-control:focus {
  border-color: var(--ims-primary) !important;
  box-shadow: 0 0 0 3px var(--ims-primary-soft) !important;
}

.bootstrap-select .dropdown-menu {
  z-index: 1080 !important;
  max-height: 280px;
}

.bootstrap-select.bs-container {
  z-index: 1080 !important;
}

.bootstrap-select .dropdown-menu .inner {
  max-height: 220px !important;
}

.ims-filter-card .bootstrap-select,
.ims-table-card__body .bootstrap-select,
.ims-form-shell .bootstrap-select {
  width: 100% !important;
}

.ims-filter-card .bootstrap-select > .dropdown-toggle,
.ims-table-card__body .bootstrap-select > .dropdown-toggle {
  white-space: normal;
  min-height: 38px;
}

.input-group-text {
  background: #f8fafc !important;
  color: var(--ims-text-muted) !important;
  font-weight: 500;
  font-size: 0.8125rem !important;
  min-width: 120px;
  justify-content: flex-start;
}

/* Buttons */
.btn {
  border-radius: var(--ims-radius-sm) !important;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 8px 16px;
  transition: all 0.15s;
}

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

.btn-primary:hover {
  background: var(--ims-primary-hover) !important;
  border-color: var(--ims-primary-hover) !important;
}

.btn-info {
  background: var(--ims-accent) !important;
  border-color: var(--ims-accent) !important;
}

.btn-success {
  background: var(--ims-success) !important;
  border-color: var(--ims-success) !important;
}

/* Alerts */
.alert {
  border-radius: var(--ims-radius-sm) !important;
  border: none !important;
  font-size: 0.9rem;
  padding: 14px 18px !important;
}

.alert-success {
  background: #ecfdf5 !important;
  color: #065f46 !important;
}

.alert-danger {
  background: #fef2f2 !important;
  color: #991b1b !important;
}

.alert-info {
  background: #eff6ff !important;
  color: #1e40af !important;
}

/* DataTables */
table.dataTable {
  border-collapse: separate !important;
  border-spacing: 0;
}

table.dataTable thead th {
  background: #f8fafc !important;
  color: var(--ims-text-muted) !important;
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--ims-border) !important;
  padding: 12px 14px !important;
}

table.dataTable tbody td {
  padding: 12px 14px !important;
  font-size: 0.875rem;
  border-color: var(--ims-border) !important;
  vertical-align: middle !important;
}

table.dataTable tbody tr:hover {
  background: #f8fafc !important;
}

/* DataTables processing overlay uses the same full-screen spinner as page_loader — hide it */
.dataTables_processing,
.dataTables_wrapper .dataTables_processing {
  display: none !important;
}

.ims-table-card--fit .ims-table-card__body {
  overflow: visible;
  padding: 0 0 8px;
}

.ims-table-card.ims-table-card--fit {
  overflow: visible;
}

.ims-table-card--fit .dataTables_length,
.ims-table-card--fit .dataTables_filter {
  padding: 12px 16px 0;
  font-size: 0.8125rem;
}

.ims-table-card--fit .dataTables_info,
.ims-table-card--fit .dataTables_paginate {
  padding: 0 16px 12px;
  font-size: 0.8125rem;
}

.ims-table-card--fit .dataTables_wrapper {
  overflow: visible !important;
}

.ims-table-card--fit .dataTables_scroll,
.ims-table-card--fit .dataTables_scrollHead,
.ims-table-card--fit .dataTables_scrollBody {
  overflow: visible !important;
  width: 100% !important;
}

.ims-table-card--fit table.ims-data-table {
  width: 100% !important;
  table-layout: fixed;
  margin-bottom: 0 !important;
}

.ims-table-card--fit table.ims-data-table th,
.ims-table-card--fit table.ims-data-table td,
.ims-table-card--fit table.dataTable thead th,
.ims-table-card--fit table.dataTable tbody td {
  white-space: normal !important;
  word-break: break-word;
  font-size: 0.8125rem !important;
  padding: 8px 10px !important;
}

.ims-table-card--fit table.ims-data-table th:last-child,
.ims-table-card--fit table.ims-data-table td:last-child {
  width: 88px;
}

.ims-user-type-tabs {
  gap: 6px;
}

.ims-user-type-tabs .ims-module-tabs__item {
  padding: 8px 12px;
  font-size: 0.8125rem;
}

.ims-perm-card {
  overflow: visible;
}

.ims-perm-card .ims-table-card__body {
  padding: 20px 24px 24px;
}

.ims-perm-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ims-perm-group__title {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ims-text);
}

.ims-perm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.ims-perm-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius-sm);
  background: #fff;
  font-size: 0.875rem;
  color: var(--ims-text);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
  user-select: none;
}

.ims-perm-item:hover {
  border-color: #cbd5e1;
  background: #f8fafc;
}

.ims-perm-item.is-checked {
  border-color: #93c5fd;
  background: var(--ims-primary-soft);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.ims-perm-item.is-checked:hover {
  border-color: #60a5fa;
  background: #dbeafe;
}

.ims-perm-check {
  position: static;
  opacity: 1;
  z-index: auto;
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 18px;
  accent-color: var(--ims-primary);
  cursor: pointer;
}

.ims-perm-item__label {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}

.ims-perm-item.is-checked .ims-perm-item__label {
  font-weight: 600;
  color: var(--ims-primary);
}

.ims-perm-item__status {
  flex: 0 0 auto;
  font-style: normal;
  font-size: 0.75rem;
  min-width: 52px;
  text-align: right;
}

/* Student list tables — sticky first two columns, scroll the rest */
.ims-student-table-wrap {
  max-width: 100%;
  padding: 0 16px 16px;
}

.ims-student-table-wrap .dataTables_wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.ims-student-table-wrap table.ims-student-table {
  width: max-content;
  min-width: 100%;
  margin-bottom: 0 !important;
  border-collapse: separate;
  border-spacing: 0;
}

.ims-student-table-wrap table.ims-student-table th,
.ims-student-table-wrap table.ims-student-table td {
  white-space: nowrap;
}

.ims-student-table-wrap table.ims-student-table th:nth-child(1),
.ims-student-table-wrap table.ims-student-table td:nth-child(1) {
  position: sticky;
  left: 0;
  z-index: 2;
  min-width: 72px;
  max-width: 72px;
  width: 72px;
  background: #fff;
}

.ims-student-table-wrap table.ims-student-table th:nth-child(2),
.ims-student-table-wrap table.ims-student-table td:nth-child(2) {
  position: sticky;
  left: 72px;
  z-index: 2;
  min-width: 160px;
  background: #fff;
  box-shadow: 4px 0 8px -4px rgba(15, 23, 42, 0.12);
}

.ims-student-table-wrap table.ims-student-table thead th:nth-child(1),
.ims-student-table-wrap table.ims-student-table thead th:nth-child(2) {
  z-index: 4;
  background: #f8fafc !important;
}

.ims-student-table-wrap table.dataTable tbody tr:hover td:nth-child(1),
.ims-student-table-wrap table.dataTable tbody tr:hover td:nth-child(2) {
  background: #f8fafc !important;
}

/* Footer */
.main-footer {
  background: var(--ims-surface) !important;
  border-top: 1px solid var(--ims-border);
  color: var(--ims-text-muted) !important;
  font-size: 0.8125rem;
  padding: 16px 24px !important;
  text-align: center;
}

/* Tabs */
.nav-tabs .nav-link {
  border-radius: var(--ims-radius-sm) var(--ims-radius-sm) 0 0 !important;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--ims-text-muted);
}

.nav-tabs .nav-link.active {
  color: var(--ims-primary) !important;
  font-weight: 600;
  border-color: var(--ims-border) var(--ims-border) var(--ims-surface) !important;
}

/* Responsive login */
@media (max-width: 991px) {
  .auth-wrapper {
    grid-template-columns: 1fr;
  }

  .auth-panel--brand {
    display: none;
  }

  .auth-panel--form {
    min-height: 100vh;
    padding: 24px 16px;
  }
}

@media (max-width: 768px) {
  .ims-layout-container,
  .main-container {
    padding-left: 16px !important;
    padding-right: 16px !important;
  }

  .main-container {
    padding-top: 16px !important;
    padding-bottom: 16px !important;
  }

  .table-container {
    padding: 16px;
  }

  .header-actions > li > a.ip,
  .header-actions > li > a.help {
    display: none !important;
  }
}

/* Focus accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--ims-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ── Student module ── */
.ims-page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.ims-page-head h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ims-text);
}

.ims-page-head p {
  margin: 0;
  color: var(--ims-text-muted);
  font-size: 0.9rem;
}

.ims-module-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding: 8px;
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
}

.ims-module-tabs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--ims-radius-sm);
  color: var(--ims-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: background 0.15s, color 0.15s;
}

.ims-module-tabs__item:hover {
  background: var(--ims-primary-soft);
  color: var(--ims-primary);
}

.ims-module-tabs__item.is-active {
  background: var(--ims-primary);
  color: #fff;
}

.ims-module-tabs__item--action {
  margin-left: auto;
  background: #eff6ff;
  color: var(--ims-primary);
  font-weight: 600;
}

.ims-module-tabs__item--action:hover {
  background: var(--ims-primary);
  color: #fff;
}

.ims-filter-card {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.ims-filter-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--ims-border);
}

.ims-filter-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ims-text);
}

.ims-filter-card__subtitle {
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--ims-text-muted);
}

.ims-field {
  margin-bottom: 16px;
}

.ims-field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ims-text);
}

.ims-table-card {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
  overflow: hidden;
}

.ims-table-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--ims-border);
}

.ims-table-card__header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.ims-table-card__body {
  padding: 0 0 8px;
}

.ims-table-card .table-responsive {
  padding: 0 16px 16px;
}

.ims-table-card .table .btn,
.ims-data-table .btn {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  gap: 6px;
  line-height: 1.2 !important;
  padding: 6px 12px !important;
  white-space: nowrap;
  font-size: 0.8125rem !important;
  font-weight: 600;
  vertical-align: middle;
  border-radius: var(--ims-radius-sm) !important;
}

.ims-table-card .table .btn i,
.ims-data-table .btn i {
  margin: 0;
  line-height: 1;
  float: none;
  position: static;
}

.ims-download-btn {
  min-width: 108px;
}

.ims-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
}

.ims-badge--success { background: #dcfce7; color: #166534; }
.ims-badge--info { background: #dbeafe; color: #1d4ed8; }
.ims-badge--warning { background: #fef3c7; color: #92400e; }
.ims-badge--danger { background: #fee2e2; color: #991b1b; }
.ims-badge--neutral { background: #f1f5f9; color: #475569; }

.badge.badge-pill {
  border-radius: 999px !important;
  font-weight: 600;
  padding: 6px 12px !important;
}

.ims-student-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.ims-summary-item {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius-sm);
  padding: 14px 16px;
}

.ims-summary-item__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ims-text-muted);
  margin-bottom: 6px;
}

.ims-summary-item__value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ims-text);
}

.ims-form-shell .content-group {
  margin-bottom: 24px;
}

.ims-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--ims-border);
}

.ims-doc-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius-sm);
  margin-top: 16px;
}

.ims-doc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid #86efac;
  background: linear-gradient(180deg, #f0fdf4 0%, #dcfce7 100%);
  color: #166534;
  border-radius: var(--ims-radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s, box-shadow 0.15s;
}

.ims-doc-btn i {
  font-size: 0.95rem;
  opacity: 0.9;
}

.ims-doc-btn:hover {
  background: linear-gradient(180deg, #059669 0%, #047857 100%);
  border-color: #047857;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.28);
}

.ims-doc-btn:active {
  transform: translateY(0);
}

.ims-doc-btn--save {
  margin-left: auto;
  background: linear-gradient(180deg, var(--ims-primary) 0%, var(--ims-primary-hover) 100%);
  border-color: var(--ims-primary-hover);
  color: #fff;
}

.ims-doc-btn--save:hover {
  background: linear-gradient(180deg, #1e40af 0%, #1e3a8a 100%);
  border-color: #1e3a8a;
  color: #fff;
  box-shadow: 0 4px 14px rgba(29, 78, 216, 0.28);
}

.ims-doc-actions .badge.badge-pill {
  display: none;
}

.ims-form-shell .input-group-text {
  min-width: 140px;
}

.ims-required {
  color: #dc2626;
  font-weight: 700;
  margin-left: 2px;
}

.ims-account-tabs {
  margin-bottom: 20px;
}

.ims-profile-card {
  background: var(--ims-surface);
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius);
  box-shadow: var(--ims-shadow);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.ims-profile-card__avatar {
  width: 88px;
  height: 88px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--ims-primary) 0%, var(--ims-primary-hover) 100%);
  color: #fff;
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 88px;
}

.ims-profile-card h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--ims-text);
}

.ims-profile-card__role {
  color: var(--ims-primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.ims-profile-card__meta {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.ims-profile-card__meta li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--ims-border);
  font-size: 0.875rem;
}

.ims-profile-card__meta li span {
  color: var(--ims-text-muted);
}

.ims-profile-card__meta li strong {
  color: var(--ims-text);
  text-align: right;
}

.ims-log-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--ims-primary-soft);
  color: var(--ims-primary);
  font-size: 0.75rem;
  font-weight: 600;
}

.ims-form-shell .input-group .bootstrap-select {
  flex: 1 1 auto;
  min-width: 0;
}

/* jQuery Validation Engine – errors in fixed slots (no layout shift) */
.ims-form-shell .ims-field-wrap {
  position: relative;
  margin-bottom: 0.5rem;
}

.ims-form-shell .ims-field-wrap[data-error-lines="1"] {
  padding-bottom: 1.3rem;
}

.ims-form-shell .ims-field-wrap[data-error-lines="2"] {
  padding-bottom: 2.5rem;
}

.ims-form-shell .ims-field-error {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
}

.ims-form-shell .formError {
  display: none !important;
}

.ims-form-shell .ims-field-error .formError {
  display: block !important;
  position: relative !important;
  width: 100% !important;
  max-width: 100%;
  margin: 0 0 2px !important;
  opacity: 1 !important;
  top: auto !important;
  left: auto !important;
  pointer-events: auto;
}

.ims-form-shell .ims-field-error .formError:last-child {
  margin-bottom: 0 !important;
}

.ims-form-shell .ims-field-error .formError .formErrorContent {
  background: #fef2f2 !important;
  color: #b91c1c !important;
  border: 1px solid #fecaca !important;
  border-radius: var(--ims-radius-sm) !important;
  box-shadow: none !important;
  font-size: 0.75rem !important;
  font-weight: 500;
  padding: 4px 8px !important;
  line-height: 1.3;
}

.ims-form-shell .ims-field-error .formError .formErrorArrow {
  display: none !important;
}

.ims-form-shell .input-group.mb-2 {
  margin-bottom: 0 !important;
}

.ims-form-shell .custom-file-label {
  border-radius: 0 var(--ims-radius-sm) var(--ims-radius-sm) 0 !important;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
  padding: 12px 16px;
  font-size: 0.875rem;
}

.dataTables_wrapper .dataTables_filter input {
  border: 1px solid var(--ims-border);
  border-radius: var(--ims-radius-sm);
  padding: 6px 10px;
}

@media (max-width: 768px) {
  .ims-module-tabs__item--action {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }

  .ims-filter-card__header,
  .ims-form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .ims-filter-card__header .btn,
  .ims-form-actions .btn {
    width: 100%;
  }
}