* {
    box-sizing: border-box;
}

:root {
    --bg: #f5f7fa;
    --card: #ffffff;
    --text: #172033;
    --muted: #667085;
    --border: #e4e7ec;
    --primary: #3448c5;
    --primary-dark: #2939a2;
    --danger: #b42318;
    --danger-bg: #fef3f2;
    --active: #067647;
    --active-bg: #ecfdf3;
    --inactive: #b42318;
    --inactive-bg: #fef3f2;
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.topbar {
    min-height: 64px;
    background: #111827;
    color: #fff;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    color: #fff;
    font-weight: 700;
    font-size: 20px;
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
}

.brand-sub {
    margin-left: 12px;
    color: #cbd5e1;
    font-size: 14px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
}

.topbar-right a {
    color: #fff;
}

.page {
    width: min(1400px, calc(100% - 36px));
    margin: 28px auto 50px;
}

.footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    padding: 24px;
}

h1 {
    margin: 5px 0 8px;
}

h2 {
    margin-top: 0;
    font-size: 18px;
}

.muted {
    color: var(--muted);
}

.small {
    font-size: 12px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 22px 0;
}

.stat span {
    display: block;
    color: var(--muted);
    font-size: 13px;
    margin-bottom: 7px;
}

.stat strong {
    font-size: 27px;
}

.heading-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
}

.heading-actions {
    display: flex;
    gap: 8px;
}

.back {
    font-size: 14px;
}

.grid-two {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.details {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 10px 18px;
    margin: 0;
}

.details dt {
    color: var(--muted);
}

.details dd {
    margin: 0;
}

.search-row {
    display: flex;
    gap: 8px;
}

.search-row input {
    flex: 1;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    padding: 10px 12px;
    font: inherit;
    background: #fff;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid rgba(52,72,197,.15);
    border-color: var(--primary);
}

label {
    display: block;
    font-weight: 600;
    margin: 16px 0 6px;
}

.btn {
    display: inline-flex;
    min-height: 40px;
    padding: 9px 14px;
    border: 1px solid #d0d5dd;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #344054;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
    background: #f9fafb;
}

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

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

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-bg);
}

.btn-small {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 12px;
}

.badge {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-active {
    background: var(--active-bg);
    color: var(--active);
}

.badge-inactive {
    background: var(--inactive-bg);
    color: var(--inactive);
}

.table-card {
    margin-top: 18px;
    padding: 0;
    overflow: hidden;
}

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

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

th,
td {
    padding: 13px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
    white-space: nowrap;
}

th {
    font-size: 12px;
    color: var(--muted);
    background: #f9fafb;
    text-transform: uppercase;
    letter-spacing: .03em;
}

.actions {
    text-align: right;
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 40px;
}

.alert {
    border-radius: 8px;
    padding: 11px 13px;
    margin-bottom: 16px;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid #fecdca;
}

.login-wrap {
    min-height: calc(100vh - 180px);
    display: grid;
    place-items: center;
}

.login-card {
    width: min(430px, 100%);
}

.login-card .btn {
    width: 100%;
    margin-top: 20px;
}

.form-card {
    max-width: 760px;
}

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 22px;
}

code {
    background: #f2f4f7;
    border-radius: 5px;
    padding: 2px 5px;
    font-size: 12px;
}

@media (max-width: 900px) {
    .stats,
    .grid-two {
        grid-template-columns: 1fr 1fr;
    }

    .heading-row {
        flex-direction: column;
    }
}

@media (max-width: 600px) {
    .stats,
    .grid-two {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: 12px 16px;
        align-items: flex-start;
    }

    .brand-sub {
        display: none;
    }

    .topbar-right {
        gap: 10px;
    }

    .page {
        width: min(100% - 20px, 1400px);
        margin-top: 16px;
    }

    .search-row {
        flex-direction: column;
    }

    .details {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .details dd {
        margin-bottom: 10px;
    }
}

.alert-success {
    background: var(--active-bg);
    color: var(--active);
    border: 1px solid #abefc6;
}

.billing-stats .stat strong {
    font-size: 20px;
    overflow-wrap: anywhere;
}

.billing-form-card {
    max-width: none;
}

.section-heading {
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}

.payment-summary-card {
    margin-bottom: 18px;
}

.billing-table-card {
    margin-top: 18px;
}

.card-table-heading {
    padding: 18px 20px 0;
    margin-bottom: 12px;
}