:root {
    --admin-primary: #800000;
    --admin-primary-dark: #5f0000;
    --admin-gold: #d4af37;
    --admin-ink: #172033;
    --admin-bg: #f4f6f9;
    --admin-line: #e2e7ef;
    --admin-muted: #667085;
}

body {
    font-family: Arial, sans-serif;
}

.login-body {
    align-items: center;
    background: linear-gradient(to right, var(--admin-primary), var(--admin-ink));
    display: flex;
    min-height: 100vh;
    padding: 24px;
}

.login-card {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
    margin: 0 auto;
    max-width: 430px;
    padding: 32px;
    width: 100%;
}

.login-heading span {
    color: var(--admin-primary);
    font-family: Georgia, serif;
    font-size: 2rem;
    font-weight: 900;
}

.login-heading h1 {
    color: var(--admin-ink);
    font-size: 1.6rem;
    font-weight: 800;
    margin: 10px 0 6px;
}

.login-heading p {
    color: var(--admin-muted);
    line-height: 1.7;
}

.login-card label,
.form-field label {
    color: var(--admin-ink);
    font-weight: 800;
    margin: 14px 0 7px;
}

.login-card .btn {
    margin-top: 18px;
}

.btn-primary {
    background: var(--admin-primary);
    border-color: var(--admin-primary);
}

.btn-primary:hover {
    background: var(--admin-primary-dark);
    border-color: var(--admin-primary-dark);
}

.admin-body {
    background: var(--admin-bg);
    color: var(--admin-ink);
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--admin-ink);
    bottom: 0;
    color: #ffffff;
    left: 0;
    overflow-y: auto;
    padding: 22px;
    position: fixed;
    top: 0;
    width: 260px;
    z-index: 10;
}

.admin-brand {
    color: #ffffff;
    display: block;
    margin-bottom: 28px;
    text-decoration: none;
}

.admin-brand:hover {
    color: #ffffff;
}

.admin-brand span {
    display: block;
    font-family: Georgia, serif;
    font-size: 1.8rem;
    font-weight: 900;
}

.admin-brand small {
    color: #aeb8ca;
    font-weight: 700;
    text-transform: uppercase;
}

.admin-sidebar nav {
    display: grid;
    gap: 6px;
}

.admin-sidebar nav a {
    align-items: center;
    border-radius: 6px;
    color: #d7deea;
    display: flex;
    font-weight: 700;
    gap: 10px;
    padding: 11px 12px;
    text-decoration: none;
}

.admin-sidebar nav a:hover,
.admin-sidebar nav a.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.admin-sidebar nav a.active {
    border-left: 4px solid var(--admin-gold);
}

.admin-shell {
    margin-left: 260px;
    min-height: 100vh;
}

.admin-topbar {
    align-items: center;
    background: #ffffff;
    border-bottom: 1px solid var(--admin-line);
    display: flex;
    justify-content: space-between;
    min-height: 70px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 5;
}

.admin-topbar span {
    color: var(--admin-muted);
    display: block;
    font-size: 0.88rem;
}

.topbar-actions {
    display: flex;
    gap: 12px;
}

.topbar-actions a {
    color: var(--admin-primary);
    font-weight: 800;
    text-decoration: none;
}

.sidebar-toggle {
    background: var(--admin-bg);
    border: 1px solid var(--admin-line);
    border-radius: 6px;
    display: none;
    height: 42px;
    width: 42px;
}

.admin-main {
    padding: 30px;
}

.admin-page-head {
    align-items: center;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 24px;
}

.admin-page-head h1 {
    font-size: 1.8rem;
    font-weight: 900;
    margin: 0 0 4px;
}

.admin-page-head p {
    color: var(--admin-muted);
    margin: 0;
}

.admin-card,
.stat-card,
.message-card {
    background: #ffffff;
    border: 1px solid var(--admin-line);
    border-radius: 8px;
    box-shadow: 0 14px 34px rgba(16, 24, 40, 0.05);
    padding: 24px;
}

.admin-card h2 {
    font-size: 1.25rem;
    font-weight: 900;
}

.stat-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(4, 1fr);
}

.stat-card span {
    color: var(--admin-muted);
    display: block;
    font-weight: 800;
}

.stat-card strong {
    color: var(--admin-primary);
    display: block;
    font-size: 2.1rem;
    margin-top: 8px;
}

.form-grid {
    display: grid;
    gap: 18px 22px;
    grid-template-columns: repeat(2, 1fr);
}

.form-field {
    min-width: 0;
}

.form-field.wide {
    grid-column: 1 / -1;
}

.form-field small {
    color: var(--admin-muted);
    display: block;
    margin-top: 6px;
}

.form-control,
.form-select {
    border-color: var(--admin-line);
    border-radius: 6px;
    padding: 10px 12px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 0.18rem rgba(128, 0, 0, 0.12);
}

.html-editor {
    font-family: Consolas, "Courier New", monospace;
    min-height: 280px;
}

.form-actions {
    border-top: 1px solid var(--admin-line);
    display: flex;
    gap: 10px;
    margin-top: 24px;
    padding-top: 20px;
}

.admin-preview {
    background: var(--admin-bg);
    border: 1px solid var(--admin-line);
    border-radius: 6px;
    display: block;
    height: 130px;
    margin-bottom: 12px;
    object-fit: contain;
    padding: 8px;
    width: 220px;
}

.check-line {
    align-items: center;
    color: var(--admin-muted);
    display: flex;
    gap: 8px;
    font-weight: 700 !important;
    margin: 8px 0 12px !important;
}

.admin-table {
    margin: 0;
}

.admin-table th {
    color: var(--admin-muted);
    font-size: 0.82rem;
    text-transform: uppercase;
}

.table-actions {
    display: flex;
    gap: 8px;
    white-space: nowrap;
}

.table-actions form {
    display: inline;
}

.status {
    border-radius: 999px;
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    padding: 5px 9px;
}

.status.on {
    background: #e7f7ef;
    color: #127443;
}

.status.off {
    background: #f2f4f7;
    color: #667085;
}

.message-list {
    display: grid;
    gap: 16px;
}

.message-card.unread {
    border-left: 5px solid var(--admin-primary);
}

.message-head {
    align-items: flex-start;
    display: flex;
    gap: 16px;
    justify-content: space-between;
}

.message-head h2 {
    font-size: 1.18rem;
    font-weight: 900;
    margin: 4px 0;
}

.message-head span,
.message-head p {
    color: var(--admin-muted);
    margin: 0;
}

.message-head form {
    display: flex;
    gap: 8px;
}

.empty-state {
    background: #ffffff;
    border: 1px dashed var(--admin-line);
    border-radius: 8px;
    color: var(--admin-muted);
    padding: 24px;
}

.admin-table-thumb {
    aspect-ratio: 1 / 1;
    background: #eef2f7;
    border: 1px solid var(--admin-line);
    border-radius: 8px;
    display: block;
    height: 54px;
    object-fit: cover;
    object-position: center top;
    width: 54px;
}

@media (max-width: 1100px) {
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 860px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s ease;
    }

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

    .admin-shell {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: inline-grid;
        place-items: center;
    }

    .admin-page-head,
    .admin-topbar,
    .message-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .form-grid,
    .stat-grid {
        grid-template-columns: 1fr;
    }

    .admin-main {
        padding: 20px;
    }
}