.admin-body {
    min-height: 100vh;
    background: #f3f7fa;
}

.admin-shell {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    background: #092734;
    color: #fff;
    padding: 24px;
}

.admin-brand-logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    width: 100%;
    min-height: 86px;
    margin: 0 0 30px;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 34px rgba(0, 0, 0, 0.16);
}

.admin-logo {
    width: 66px;
    height: 66px;
    flex: 0 0 66px;
    object-fit: contain;
    filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.22));
}

.admin-brand-logo span {
    color: #fff;
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

.admin-nav {
    display: grid;
    gap: 10px;
    margin-top: 0;
}

.admin-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.78);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-medium);
}

.admin-nav a:hover,
.admin-nav a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.admin-main {
    padding: 28px;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    padding: 24px;
}

.metric-card span {
    color: var(--color-muted);
    font-size: var(--font-size-sm);
}

.metric-card strong {
    display: block;
    color: var(--color-primary);
    font-size: 2rem;
}

.admin-table {
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: #fff;
    border: 1px solid var(--color-border);
}

.admin-section-tabs {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.admin-section-tabs .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 42px;
    color: #35475a;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.admin-section-tabs .nav-link span {
    display: inline-grid;
    min-width: 24px;
    height: 24px;
    place-items: center;
    padding: 0 7px;
    color: #0b315c;
    border-radius: 999px;
    background: #d8e7ff;
    font-size: var(--font-size-xs);
}

.admin-section-tabs .nav-link.active {
    color: #fff;
    background: var(--color-primary);
}

.admin-section-tabs .nav-link.active span {
    color: #0b315c;
    background: #ffdb72;
}

.admin-tab-content {
    min-height: 420px;
}

.admin-code-sample {
    overflow-x: auto;
    padding: 14px;
    color: #dbeafe;
    border-radius: var(--radius-sm);
    background: #092734;
    font-size: var(--font-size-sm);
    line-height: 1.55;
}

.admin-school-list-table {
    min-width: 1080px;
}

.admin-school-logo {
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    overflow: hidden;
    color: #0b315c;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #fff;
}

.admin-school-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 5px;
}

.event-metric-card {
    position: relative;
    overflow: hidden;
}

.event-metric-card::after {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--color-secondary);
}

.admin-event-form .form-label {
    color: #0b315c;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.admin-event-form .form-control,
.admin-event-form .form-select {
    min-height: 46px;
    border-color: #dce8ef;
    border-radius: var(--radius-sm);
}

.admin-event-form textarea.form-control {
    min-height: 118px;
}

.admin-event-form .form-control:focus,
.admin-event-form .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(21, 94, 117, 0.14);
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, #092734, #155e75);
}

.login-box {
    width: min(100%, 430px);
    padding: 34px;
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.login-logo {
    width: 86px;
    height: 86px;
    object-fit: contain;
}

@media (max-width: 991px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: static;
    }
}