/**
 * Vidhyalaya — modern pastel blue theme (loads after Limitless/Bootstrap)
 */
:root {
    --pastel-bg: #F4FAFD;
    --pastel-bg-white: #FFFFFF;
    --pastel-blue-50: #EAF6FC;
    --pastel-blue-100: #D4EDFA;
    --pastel-blue-200: #B8E0F5;
    --pastel-blue-300: #9DD4F0;
    --pastel-blue-400: #7EC8EA;
    --pastel-blue-500: #5BB8E3;
    --pastel-blue-600: #4499C9;
    --pastel-text: #2A4A5E;
    --pastel-text-muted: #5A7A8E;
    --pastel-border: rgba(91, 184, 227, 0.22);
    --pastel-shadow: 0 2px 12px rgba(91, 184, 227, 0.12);
    --primary: #5BB8E3;
    --blue: #00aeff;
}

/* Page shell */
body {
    background-color: var(--pastel-bg) !important;
    color: var(--pastel-text);
}

.content-wrapper {
    background-color: var(--pastel-bg-white);
}

.content {
    background-color: transparent;
}

/* Top navbar */
.navbar-dark {
    background: linear-gradient(135deg, var(--pastel-blue-200) 0%, var(--pastel-blue-300) 55%, var(--pastel-blue-400) 100%) !important;
    border-bottom: 1px solid var(--pastel-border) !important;
    box-shadow: var(--pastel-shadow);
}

.navbar-dark .navbar-nav-link,
.navbar-dark .navbar-brand,
.navbar-dark h4,
.navbar-dark .text-white {
    color: var(--pastel-text) !important;
}

.navbar-dark .navbar-nav-link:hover,
.navbar-dark .navbar-nav-link:focus {
    color: var(--pastel-blue-600) !important;
    background-color: rgba(255, 255, 255, 0.45) !important;
}

.navbar-dark .navbar-toggler {
    color: var(--pastel-text);
    border-color: var(--pastel-border);
}

/* Sidebar */
.sidebar-light {
    background: linear-gradient(180deg, var(--pastel-bg-white) 0%, var(--pastel-blue-50) 100%) !important;
    border-right: 1px solid var(--pastel-border) !important;
}

.sidebar-light .nav-sidebar .nav-link {
    color: var(--pastel-text-muted) !important;
    border-radius: 0.375rem;
    margin: 0 0.35rem;
}

.sidebar-light .nav-sidebar .nav-link:not(.disabled):hover {
    color: var(--pastel-text) !important;
    background-color: var(--pastel-blue-100) !important;
}

.sidebar-light .nav-sidebar .nav-item > .nav-link.active,
.sidebar-light .nav-sidebar .nav-item-open > .nav-link:not(.disabled),
.sidebar-light .nav-sidebar > .nav-item-expanded:not(.nav-item-open) > .nav-link,
.sidebar-light .nav-sidebar > .nav-item-open > .nav-link:not(.disabled) {
    color: var(--pastel-text) !important;
    background-color: var(--pastel-blue-200) !important;
    font-weight: 600;
}

.sidebar-light .nav-sidebar .nav-item-header {
    color: var(--pastel-blue-600) !important;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.sidebar-user {
    background-color: var(--pastel-blue-50);
    border-bottom: 1px solid var(--pastel-border);
}

.sidebar-user .media-title {
    color: var(--pastel-text);
}

.sidebar-user .font-size-xs {
    color: var(--pastel-text-muted) !important;
    opacity: 1 !important;
}

.sidebar-user a.text-pastel-muted {
    color: var(--pastel-blue-600) !important;
}

.sidebar-user a.text-pastel-muted:hover {
    color: var(--pastel-blue-500) !important;
}

/* Page header */
.page-header-light {
    background-color: var(--pastel-bg-white) !important;
    border-bottom: 1px solid var(--pastel-border) !important;
}

.page-header-light .page-title h4,
.page-header-light .page-title {
    color: var(--pastel-text);
}

.page-header-light .text-primary,
.page-header-light .icon-arrow-down7.text-primary {
    color: var(--pastel-blue-600) !important;
}

/* Cards */
.card {
    background-color: var(--pastel-bg-white);
    border: 1px solid var(--pastel-border);
    box-shadow: var(--pastel-shadow);
    border-radius: 0.5rem;
}

.card-header {
    background-color: var(--pastel-blue-50);
    border-bottom: 1px solid var(--pastel-border);
}

/* Primary actions */
.btn-primary {
    background: linear-gradient(135deg, var(--pastel-blue-400), var(--pastel-blue-500)) !important;
    border-color: var(--pastel-blue-500) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(91, 184, 227, 0.35);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, var(--pastel-blue-500), var(--pastel-blue-600)) !important;
    border-color: var(--pastel-blue-600) !important;
    color: #fff !important;
}

.btn-light {
    background-color: var(--pastel-blue-50) !important;
    border-color: var(--pastel-border) !important;
    color: var(--pastel-text) !important;
}

.btn-light:hover {
    background-color: var(--pastel-blue-100) !important;
}

.bg-primary,
.badge-primary {
    background-color: var(--pastel-blue-500) !important;
}

.bg-blue,
.btn.bg-blue {
    background-color: var(--pastel-blue-500) !important;
}

.text-primary,
a.text-primary {
    color: var(--pastel-blue-600) !important;
}

a {
    color: var(--pastel-blue-600);
}

a:hover {
    color: var(--pastel-blue-500);
}

.border-left-primary {
    border-left-color: var(--pastel-blue-500) !important;
}

/* Tabs */
.nav-tabs-highlight .nav-link.active {
    color: var(--pastel-blue-600);
    border-bottom-color: var(--pastel-blue-500);
}

.nav-tabs-highlight .nav-link:hover {
    color: var(--pastel-blue-500);
}

/* Tables */
.table thead th,
.table thead td {
    background-color: var(--pastel-blue-50);
    color: var(--pastel-text);
    border-color: var(--pastel-border);
}

.table-bordered,
.table-bordered td,
.table-bordered th {
    border-color: var(--pastel-border);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(234, 246, 252, 0.45);
}

.table-hover tbody tr:hover {
    background-color: var(--pastel-blue-50);
}

/* Forms */
.form-control:focus {
    border-color: var(--pastel-blue-400);
    box-shadow: 0 0 0 0.15rem rgba(91, 184, 227, 0.25);
}

/* Alerts — softer pastels */
.alert-info {
    background-color: var(--pastel-blue-50);
    border-color: var(--pastel-blue-200);
    color: var(--pastel-text);
}

/* Progress */
.progress-bar.bg-success {
    background-color: var(--pastel-blue-500) !important;
}

/* Login page */
.login-cover {
    background: linear-gradient(145deg, var(--pastel-bg) 0%, var(--pastel-blue-100) 45%, var(--pastel-blue-200) 100%) !important;
}

.login-form .card {
    border: 1px solid var(--pastel-border);
    box-shadow: 0 8px 32px rgba(91, 184, 227, 0.18);
}

.login-form .icon-pastel-login {
    color: var(--pastel-blue-500) !important;
    border-color: var(--pastel-blue-300) !important;
    background-color: var(--pastel-blue-50);
}

/* DataTables buttons row */
.datatable-header .btn-light {
    background-color: var(--pastel-bg-white) !important;
}

.datatable-header .btn.bg-blue,
.datatable-header .btn-primary {
    background: linear-gradient(135deg, var(--pastel-blue-400), var(--pastel-blue-500)) !important;
}

/* Dropdown menus */
.dropdown-menu {
    border: 1px solid var(--pastel-border);
    box-shadow: var(--pastel-shadow);
}

.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--pastel-blue-200);
    color: var(--pastel-text);
}

/* Badges */
.badge-success {
    background-color: #7BC9A8;
}

.badge-warning {
    background-color: #F5D088;
    color: #5A4A2E;
}

/* Existing app styles */
.exam-table {
    border: 1px solid var(--pastel-border);
    border-collapse: collapse;
}