:root {
    --edu-primary: #0d3b66;
    --edu-primary-dark: #082744;
    --edu-teal: #14919b;
    --edu-bg: #f4f7fb;
    --edu-card-shadow: 0 0.5rem 1.5rem rgba(13, 59, 102, 0.08);
    --sidebar-width: 260px;
}

html, body {
    height: 100%;
    background-color: var(--edu-bg);
}

body {
    font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Sidebar */
.edu-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--edu-primary) 0%, var(--edu-primary-dark) 100%);
    color: #fff;
    z-index: 1030;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease;
}

.edu-sidebar .edu-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 1.15rem 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.edu-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 0.6rem;
    background: rgba(20, 145, 155, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.edu-brand-icon-logo {
    background: #fff;
    padding: 3px;
    overflow: hidden;
}

.edu-brand-icon-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.edu-sidebar .edu-brand i {
    font-size: 1.25rem;
    color: var(--edu-teal);
}

.edu-sidebar-close {
    margin-left: auto;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
    line-height: 1;
    padding: 0.25rem;
}

.edu-sidebar-close:hover {
    color: #fff;
}

.edu-sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.edu-sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
}

.edu-sidebar-user-text {
    min-width: 0;
}

.edu-sidebar-user-name {
    color: #fff;
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.edu-sidebar-user-role {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.75rem;
}

.edu-sidebar-nav {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 0.75rem 0.6rem;
}

.edu-sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.75);
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    border-radius: 0.5rem;
    margin-bottom: 0.15rem;
}

.edu-sidebar-nav .nav-link i {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
}

.edu-sidebar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.edu-sidebar-nav .nav-link.active {
    background-color: rgba(20, 145, 155, 0.22);
    color: #fff;
    border-left-color: var(--edu-teal);
    font-weight: 600;
}

.edu-sidebar-group-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.75);
    padding: 0.6rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 0.5rem;
    margin-bottom: 0.15rem;
    text-align: left;
}

.edu-sidebar-group-toggle i:first-child {
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
}

.edu-sidebar-group-toggle span {
    flex: 1 1 auto;
}

.edu-sidebar-group-chevron {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.45);
    transition: transform 0.2s ease;
}

.edu-sidebar-group-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.edu-sidebar-group-toggle[aria-expanded="true"] {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.06);
}

.edu-sidebar-group-toggle[aria-expanded="true"] .edu-sidebar-group-chevron {
    transform: rotate(180deg);
    color: rgba(255, 255, 255, 0.75);
}

.edu-sidebar-group-items {
    padding-left: 0.1rem;
    margin: 0.1rem 0 0.3rem 1.65rem;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.edu-sidebar-group-items .nav-link {
    padding: 0.45rem 0.75rem;
    font-size: 0.83rem;
    border-left: none;
    border-radius: 0.4rem;
    margin-left: 0.4rem;
}

.edu-sidebar-footer {
    padding: 1rem 1.25rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.edu-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(8, 39, 68, 0.5);
    z-index: 1025;
}

.edu-sidebar-backdrop.show {
    display: block;
}

/* Main area */
.edu-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.edu-topbar {
    background-color: #fff;
    box-shadow: var(--edu-card-shadow);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.edu-topbar .edu-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.edu-global-search {
    position: relative;
    flex: 1 1 auto;
    max-width: 380px;
    margin: 0 1.5rem;
}

.edu-global-search-results {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0.375rem;
    box-shadow: var(--edu-card-shadow);
    max-height: 320px;
    overflow-y: auto;
    z-index: 1030;
}

.edu-global-search-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.9rem;
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.edu-global-search-item:last-child {
    border-bottom: none;
}

.edu-global-search-item:hover {
    background-color: #f5f7fb;
}

.edu-global-search-item-text {
    display: flex;
    flex-direction: column;
}

.edu-global-search-item-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.edu-global-search-item-sub {
    font-size: 0.78rem;
    color: #6c757d;
}

.edu-topbar .edu-user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--edu-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.edu-content {
    padding: 1.5rem;
    flex: 1 1 auto;
}

/* Cards */
.edu-card {
    background-color: #fff;
    border: none;
    border-radius: 0.75rem;
    box-shadow: var(--edu-card-shadow);
}

.edu-refresh-btn {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes edu-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.edu-spin {
    animation: edu-spin 0.6s linear infinite;
}

.edu-sidebar-toggle {
    display: none;
    border: none;
    background: transparent;
    font-size: 1.35rem;
    color: var(--edu-primary);
}

/* Dashboard KPI cards */
.edu-kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

/* Institution setup wizard */
.edu-type-card {
    background-color: #fff;
    border: 2px solid transparent;
    border-radius: 0.75rem;
    box-shadow: var(--edu-card-shadow);
    padding: 2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.edu-type-card i {
    font-size: 2.5rem;
    color: var(--edu-teal);
}

.edu-type-card h6 {
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
    color: var(--edu-primary);
}

.edu-type-card:hover {
    border-color: var(--edu-teal);
    transform: translateY(-2px);
}

@media (max-width: 991.98px) {
    .edu-sidebar {
        transform: translateX(-100%);
        box-shadow: 0.75rem 0 2rem rgba(8, 39, 68, 0.25);
    }

    .edu-sidebar.show {
        transform: translateX(0);
    }

    .edu-main {
        margin-left: 0;
    }

    .edu-sidebar-toggle {
        display: inline-block;
    }

    body.edu-sidebar-open {
        overflow: hidden;
    }
}

@media (min-width: 992px) {
    .edu-sidebar-close {
        display: none !important;
    }
}

/* ================= Dashboard redesign ================= */

.edu-section-card {
    border-radius: 1rem;
}

.edu-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.85rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(13, 59, 102, 0.08);
}

.edu-section-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--edu-primary);
    margin-bottom: 0;
}

.edu-section-title i {
    font-size: 1rem;
}

.edu-date-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    background-color: rgba(13, 59, 102, 0.06);
    color: var(--edu-primary);
    white-space: nowrap;
}

/* KPI cards */
.edu-kpi-card {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.edu-kpi-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: rgb(var(--edu-kpi-rgb, 13, 59, 102));
}

.edu-kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 1rem 2rem rgba(13, 59, 102, 0.14);
}

.edu-kpi-card--primary { --edu-kpi-rgb: var(--bs-primary-rgb); }
.edu-kpi-card--success { --edu-kpi-rgb: var(--bs-success-rgb); }
.edu-kpi-card--info { --edu-kpi-rgb: var(--bs-info-rgb); }
.edu-kpi-card--warning { --edu-kpi-rgb: var(--bs-warning-rgb); }

.edu-kpi-card .edu-kpi-icon {
    width: 54px;
    height: 54px;
    border-radius: 0.85rem;
    background: linear-gradient(135deg, rgba(var(--edu-kpi-rgb, 13, 59, 102), 0.18), rgba(var(--edu-kpi-rgb, 13, 59, 102), 0.05));
    color: rgb(var(--edu-kpi-rgb, 13, 59, 102));
    font-size: 1.4rem;
}

.edu-kpi-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #8792a2;
}

.edu-kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
    color: var(--edu-primary);
}

/* Stat tiles (attendance / fee summaries) */
.edu-stat-tile {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.9rem 1rem 0.9rem 1.1rem;
    border-radius: 0.75rem;
    background-color: rgba(var(--edu-stat-rgb, 13, 59, 102), 0.06);
}

.edu-stat-tile::before {
    content: "";
    position: absolute;
    top: 0.55rem;
    bottom: 0.55rem;
    left: 0;
    width: 3px;
    border-radius: 3px;
    background-color: rgb(var(--edu-stat-rgb, 13, 59, 102));
}

.edu-stat-tile--sm {
    padding: 0.7rem 0.85rem 0.7rem 0.95rem;
}

.edu-stat-label {
    font-size: 0.75rem;
    color: #6c757d;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.edu-stat-value {
    font-weight: 700;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
    color: rgb(var(--edu-stat-rgb, 13, 59, 102));
}

.edu-stat-tile--primary { --edu-stat-rgb: var(--bs-primary-rgb); }
.edu-stat-tile--success { --edu-stat-rgb: var(--bs-success-rgb); }
.edu-stat-tile--danger { --edu-stat-rgb: var(--bs-danger-rgb); }
.edu-stat-tile--warning { --edu-stat-rgb: var(--bs-warning-rgb); }
.edu-stat-tile--secondary { --edu-stat-rgb: var(--bs-secondary-rgb); }

/* Quick action tiles */
.edu-quick-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(13, 59, 102, 0.1);
    background-color: #fff;
    color: var(--edu-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.edu-quick-btn .edu-quick-btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, rgba(var(--edu-quick-rgb, 13, 59, 102), 0.16), rgba(var(--edu-quick-rgb, 13, 59, 102), 0.05));
    color: rgb(var(--edu-quick-rgb, 13, 59, 102));
}

.edu-quick-btn span.edu-quick-btn-label {
    flex: 1 1 auto;
}

.edu-quick-btn .bi-chevron-right {
    color: #b7c0cc;
    font-size: 0.85rem;
}

.edu-quick-btn:hover {
    background-color: rgba(var(--edu-quick-rgb, 13, 59, 102), 0.06);
    border-color: rgba(var(--edu-quick-rgb, 13, 59, 102), 0.3);
    color: rgb(var(--edu-quick-rgb, 13, 59, 102));
    transform: translateY(-1px);
}

.edu-quick-btn--primary { --edu-quick-rgb: var(--bs-primary-rgb); }
.edu-quick-btn--success { --edu-quick-rgb: var(--bs-success-rgb); }
.edu-quick-btn--info { --edu-quick-rgb: var(--bs-info-rgb); }

/* Profile banner (student widget) */
.edu-profile-banner {
    background: linear-gradient(120deg, rgba(13, 59, 102, 0.06), rgba(20, 145, 155, 0.05));
    border-radius: 1rem;
}

.edu-profile-banner img {
    border: 3px solid #fff;
    box-shadow: 0 0.25rem 0.75rem rgba(13, 59, 102, 0.15);
}

/* Dashboard tables */
.edu-table thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #8792a2;
    font-weight: 700;
    border-bottom-width: 1px;
}

.edu-table tbody tr:hover {
    background-color: rgba(13, 59, 102, 0.03);
}