:root {
    --dash-sidebar-width: 240px;
    --dash-topbar-height: 64px;
    --dash-bg: #f4f6f9;
    --dash-surface: #ffffff;
    --dash-text: #1f2933;
    --dash-muted: #6b7280;
    --dash-border: #e5e7eb;
    --dash-primary: #1476f2;
    --dash-primary-hover: #0d5fd6;
    --dash-sidebar-bg: #111827;
    --dash-sidebar-text: #cbd5e1;
    --dash-sidebar-active: #1476f2;
    --dash-danger: #dc3545;
    --dash-shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body.dashboard-body {
    margin: 0;
    background: var(--dash-bg);
    color: var(--dash-text);
    font-family: "Nunito", "Segoe UI", sans-serif;
}

.dashboard-shell {
    min-height: 100vh;
}

.dashboard-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1040;
    width: var(--dash-sidebar-width);
    height: 100vh;
    background: var(--dash-sidebar-bg);
    color: var(--dash-sidebar-text);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.dashboard-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.dashboard-brand:hover {
    color: #fff;
}

.dashboard-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.dashboard-nav {
    list-style: none;
    margin: 0.75rem 0;
    padding: 0 0.75rem;
    flex: 1;
    overflow-y: auto;
}

.dashboard-signed-in {
    padding: 0.9rem 1.25rem 1.15rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    color: #94a3b8;
    line-height: 1.35;
}

.dashboard-signed-in strong {
    display: block;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    word-break: break-word;
}

.dashboard-nav .nav-item {
    margin-bottom: 0.25rem;
}

.dashboard-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.85rem;
    border-radius: 8px;
    color: var(--dash-sidebar-text);
    text-decoration: none;
    font-size: 0.95rem;
}

.dashboard-nav .nav-link i {
    width: 1.15rem;
    text-align: center;
}

.dashboard-nav .nav-link:hover,
.dashboard-nav .nav-item.active .nav-link {
    background: rgba(20, 118, 242, 0.16);
    color: #fff;
}

.dashboard-nav .nav-item.active .nav-link {
    background: var(--dash-sidebar-active);
}

.dashboard-main {
    margin-left: var(--dash-sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.dashboard-topbar {
    position: sticky;
    top: 0;
    z-index: 1030;
    min-height: var(--dash-topbar-height);
    background: var(--dash-surface);
    border-bottom: 1px solid var(--dash-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1.25rem;
    box-shadow: var(--dash-shadow);
}

.dashboard-topbar .navbar-toggler {
    border: 1px solid var(--dash-border);
    padding: 0.35rem 0.55rem;
}

.dashboard-topbar .topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.dashboard-topbar a {
    color: var(--dash-text);
    text-decoration: none;
    font-size: 0.95rem;
}

.dashboard-topbar a:hover {
    color: var(--dash-primary);
}

.dashboard-topbar .logout-link {
    color: var(--dash-danger);
}

.content {
    flex: 1;
    padding: 1.5rem;
}

.dashboard-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    padding: 1rem 1.5rem 1.5rem;
    color: var(--dash-muted);
    font-size: 0.85rem;
}

.dashboard-footer-credit .fa-heart {
    color: #e25555;
    margin: 0 0.15rem;
}

.dashboard-footer a {
    color: var(--dash-primary);
    font-weight: 600;
    text-decoration: none;
}

.dashboard-footer a:hover {
    text-decoration: underline;
}

.card {
    border: 1px solid var(--dash-border);
    border-radius: 10px;
    box-shadow: var(--dash-shadow);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--dash-border);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.card-header.row {
    display: flex;
}

.card-title,
.card-header h3,
.card-header h4 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
}

.card-body {
    padding: 1.25rem;
}

.stat-card {
    display: block;
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: 10px;
    padding: 1.25rem;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--dash-shadow);
    height: 100%;
}

.stat-card:hover {
    border-color: var(--dash-primary);
    color: inherit;
}

.stat-card .stat-label {
    color: var(--dash-muted);
    font-size: 0.85rem;
    margin-bottom: 0.35rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card .stat-icon {
    color: var(--dash-primary);
    font-size: 1.25rem;
}

.table-responsive {
    width: 100%;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    border-bottom-width: 1px;
    color: var(--dash-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 700;
}

.table img {
    max-width: 64px;
    height: auto;
    display: inline-block;
    border-radius: 4px;
}

.table-actions {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.table-actions .btn {
    width: 2.375rem;
    height: 2.375rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.pagination {
    margin: 1rem 0 0;
}

.form-group {
    margin-bottom: 1rem;
}

.form-control-label {
    display: inline-block;
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.btn-default {
    color: #fff;
    background-color: var(--dash-primary);
    border-color: var(--dash-primary);
}

.btn-default:hover,
.btn-default:focus {
    color: #fff;
    background-color: var(--dash-primary-hover);
    border-color: var(--dash-primary-hover);
}

.ml-auto {
    margin-left: auto !important;
}

.mr-auto {
    margin-right: auto !important;
}

.pl-lg-4 {
    padding-left: 1.5rem;
}

.text-right {
    text-align: right;
}

.dashboard-backdrop {
    display: none;
}

body.auth-body {
    margin: 0;
    min-height: 100vh;
    background: var(--dash-bg);
    color: var(--dash-text);
    font-family: "Nunito", "Segoe UI", sans-serif;
}

.auth-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.auth-topbar a {
    color: var(--dash-text);
    text-decoration: none;
    font-weight: 600;
}

.auth-topbar a:hover {
    color: var(--dash-primary);
}

.auth-main {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem 3rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--dash-surface);
    border: 1px solid var(--dash-border);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--dash-shadow);
}

.auth-card h1 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
}

@media (max-width: 991.98px) {
    .dashboard-sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

    body.sidebar-open .dashboard-sidebar {
        transform: translateX(0);
    }

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

    .dashboard-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 1035;
        background: rgba(17, 24, 39, 0.45);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease;
    }

    body.sidebar-open .dashboard-backdrop {
        opacity: 1;
        pointer-events: auto;
    }
}

@media (min-width: 992px) {
    .dashboard-topbar .navbar-toggler {
        display: none;
    }
}