:root {
  --eg-primary: #4361ee;
  --eg-primary-dark: #3a0ca3;
  --eg-sidebar-width: 250px;
  --eg-sidebar-collapsed: 70px;
  --eg-bg: #f4f6fb;
  --eg-card-bg: #ffffff;
  --eg-text: #2b2d42;
}

[data-theme="dark"] {
  --eg-bg: #161a23;
  --eg-card-bg: #1f2430;
  --eg-text: #e6e6e6;
}

* { box-sizing: border-box; }

body {
  background: var(--eg-bg);
  color: var(--eg-text);
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  transition: background .3s, color .3s;
}

[data-theme="dark"] .card { background: var(--eg-card-bg); color: var(--eg-text); }
[data-theme="dark"] .card-header { background: var(--eg-card-bg) !important; color: var(--eg-text); border-color: #2c3140; }
[data-theme="dark"] .table { color: var(--eg-text); }
[data-theme="dark"] .table > :not(caption) > * > * { background-color: var(--eg-card-bg); color: var(--eg-text); border-bottom-color: #2c3140; }
[data-theme="dark"] .table-hover > tbody > tr:hover > * { background-color: #262b3a; }
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background-color: #1f2430; color: var(--eg-text); border-color: #343a4a;
}
[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus { background-color: #1f2430; color: var(--eg-text); }
[data-theme="dark"] .form-control::placeholder { color: #7c8194; }
[data-theme="dark"] .modal-content { background-color: var(--eg-card-bg); color: var(--eg-text); }
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer { border-color: #2c3140; }
[data-theme="dark"] .pagination .page-link { background-color: var(--eg-card-bg); color: var(--eg-text); border-color: #2c3140; }
[data-theme="dark"] .pagination .page-item.disabled .page-link { background-color: #1a1e28; color: #5c6274; }
[data-theme="dark"] .pagination .page-item.active .page-link { background-color: var(--eg-primary); border-color: var(--eg-primary); }
[data-theme="dark"] .nav-pills .nav-link { color: var(--eg-text); background: #1f2430; }
[data-theme="dark"] .nav-pills .nav-link.active { background: var(--eg-primary); color: #fff; }
[data-theme="dark"] .list-group-item { background-color: var(--eg-card-bg); color: var(--eg-text); border-color: #2c3140; }
[data-theme="dark"] .dropdown-menu { background-color: var(--eg-card-bg); color: var(--eg-text); }
[data-theme="dark"] .dropdown-item { color: var(--eg-text); }
[data-theme="dark"] .dropdown-item:hover { background-color: #262b3a; color: #fff; }
[data-theme="dark"] .text-muted { color: #9298ab !important; }
[data-theme="dark"] .border-bottom { border-color: #2c3140 !important; }
[data-theme="dark"] hr { border-color: #2c3140; }

/* ===== Navbar ===== */
.app-navbar {
  background: linear-gradient(90deg, var(--eg-primary), var(--eg-primary-dark));
  padding: .65rem 1rem;
  position: sticky;
  top: 0;
  z-index: 1030;
}

/* ===== Sidebar ===== */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--eg-sidebar-width);
  background: #1e2138;
  color: #fff;
  overflow-y: auto;
  z-index: 1040;
  transition: width .25s;
}
.app-sidebar.collapsed { width: var(--eg-sidebar-collapsed); }
.app-sidebar.collapsed .brand-text { display: none; }

.sidebar-brand {
  padding: 1rem;
  font-size: 1.2rem;
  font-weight: bold;
  border-bottom: 1px solid rgba(255,255,255,.1);
  white-space: nowrap;
}
.sidebar-heading {
  padding: .6rem 1rem 0.2rem;
  font-size: .72rem;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  white-space: nowrap;
}
.sidebar-menu { padding-bottom: 2rem; }
.sidebar-menu .nav-link {
  color: rgba(255,255,255,.85);
  padding: .65rem 1.1rem;
  white-space: nowrap;
  border-left: 3px solid transparent;
}
.sidebar-menu .nav-link:hover,
.sidebar-menu .nav-link.active {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-left-color: #4cc9f0;
}
.sidebar-menu .nav-link i { width: 22px; text-align: center; margin-right: 6px; }

.main-content {
  margin-left: var(--eg-sidebar-width);
  min-height: calc(100vh - 56px);
  padding-bottom: 1rem;
  transition: margin-left .25s;
}
.app-sidebar.collapsed ~ .main-content,
body.sidebar-collapsed .main-content { margin-left: var(--eg-sidebar-collapsed); }

.app-footer {
  margin-left: var(--eg-sidebar-width);
  border-top: 1px solid #e3e6ef;
  color: #8a8fa3;
  transition: margin-left .25s;
}
body.sidebar-collapsed .app-footer { margin-left: var(--eg-sidebar-collapsed); }

@media (max-width: 991px) {
  .app-sidebar { left: -260px; }
  .app-sidebar.show-mobile { left: 0; }
  .main-content, .app-footer { margin-left: 0 !important; }
}

/* ===== Stat Cards ===== */
.stat-card .stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.3rem;
}

/* ===== Login Page ===== */
.login-body {
  background: linear-gradient(135deg, #4361ee, #3a0ca3);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}
.login-wrapper { width: 100%; max-width: 430px; padding: 1rem; }
.login-card { border-radius: 18px; }
.login-icon { font-size: 2.8rem; color: var(--eg-primary); }