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

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #0f172a;
    background: #eef2f7;
}

a {
    color: #1d4ed8;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1.5rem;
}

.auth-card {
    width: min(100%, 420px);
    background: #fff;
    border: 1px solid #dbe3ef;
    border-radius: 14px;
    padding: 2rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.auth-card-wide {
    width: min(100%, 520px);
}

.auth-brand h1 {
    margin: 0 0 0.35rem;
    font-size: 1.5rem;
}

.auth-brand p,
.muted,
.auth-footnote {
    color: #64748b;
}

.auth-footnote {
    margin-top: 1.25rem;
    font-size: 0.875rem;
    text-align: center;
}

.stack {
    display: grid;
    gap: 1rem;
}

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

input,
button,
select,
textarea {
    font: inherit;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
}

.btn,
button.btn-primary {
    border: 0;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    cursor: pointer;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
    text-decoration: none;
}

.btn-link {
    background: none;
    border: 0;
    color: #93c5fd;
    padding: 0;
    cursor: pointer;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
}

.admin-layout {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 240px 1fr;
}

.admin-sidebar {
    background: #0f172a;
    color: #e2e8f0;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-brand strong {
    display: block;
    font-size: 1.1rem;
}

.sidebar-brand span {
    color: #94a3b8;
    font-size: 0.875rem;
}

.admin-sidebar nav {
    display: grid;
    gap: 0.35rem;
}

.admin-sidebar nav a {
    color: #cbd5e1;
    text-decoration: none;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
}

.admin-sidebar nav a:hover,
.admin-sidebar nav a.active {
    background: #1e293b;
    color: #fff;
}

.sidebar-user {
    margin-top: auto;
    font-size: 0.875rem;
    display: grid;
    gap: 0.35rem;
}

.admin-main {
    padding: 1.5rem;
}

.page-header {
    margin-bottom: 1.25rem;
}

.page-header h1 {
    margin: 0 0 0.25rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: #fff;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    padding: 1rem;
}

.stat-label {
    display: block;
    color: #64748b;
    font-size: 0.875rem;
}

.stat-value {
    font-size: 1.75rem;
}

.panel {
    background: #fff;
    border: 1px solid #dbe3ef;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
}

.panel h2 {
    margin-top: 0;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 0.65rem 0.75rem;
    border-bottom: 1px solid #e2e8f0;
    text-align: left;
}

th {
    font-size: 0.875rem;
    color: #64748b;
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-owner {
    background: #dbeafe;
    color: #1d4ed8;
}

.badge-tenant {
    background: #ffedd5;
    color: #c2410c;
}

.badge-owner,
.badge-tenant {
    text-transform: capitalize;
}

.checklist {
    margin: 0;
    padding-left: 1.2rem;
    color: #475569;
}

.empty-state {
    color: #64748b;
}

.import-form {
    max-width: 480px;
    margin-top: 1rem;
}

@media (max-width: 900px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        gap: 1rem;
    }

    .sidebar-user {
        margin-top: 0;
    }
}