h1 {
    margin: 0 0 8px;
    font-size: 32px;
    line-height: 1.15;
}

.plan-tabs {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.plan-tab-list {
    display: flex;
    min-width: 0;
    gap: 8px;
    overflow-x: auto;
}

.plan-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #fff;
    color: #334155;
    font: inherit;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    white-space: nowrap;
}

.plan-tab:hover,
.plan-tab.active {
    border-color: #2563eb;
    background: #eff6ff;
    color: #1d4ed8;
}

.plans-panel {
    overflow-x: auto;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #fff;
}

table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
}

.plan-name {
    font-weight: 800;
}

@media (max-width: 640px) {
    .auth-banner-content,
    .page-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .user-summary {
        text-align: left;
    }

    .user-menu-panel {
        right: auto;
        left: 0;
    }

    .login-overlay {
        align-items: start;
        padding-top: 80px;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        background: #020617;
        color: #e2e8f0;
    }

    .auth-banner,
    .plans-panel,
    .empty {
        border-color: #334155;
        background: #0f172a;
    }

    .auth-banner-title,
    .login-title,
    .user-name,
    .plan-name,
    td {
        color: #f8fafc;
    }

    p,
    .user-email,
    th {
        color: #94a3b8;
    }

    .login-dialog {
        background: #0f172a;
        box-shadow: none;
    }

    .login-close-button {
        background: #1e293b;
        color: #e2e8f0;
    }

    .auth-input,
    .auth-button.secondary,
    .link-button,
    .plan-tab,
    .user-menu-button:hover,
    .user-menu-button[aria-expanded="true"],
    .user-menu-plan,
    .user-menu-panel,
    .user-menu-item {
        border-color: #334155;
        background: #020617;
        color: #e2e8f0;
    }

    .user-menu-plan-label,
    .user-menu-plan-remaining {
        color: #94a3b8;
    }

    .user-menu-plan-level {
        color: #f8fafc;
    }

    .user-menu-plan:hover,
    .user-menu-item:hover,
    .plan-tab:hover,
    .plan-tab.active,
    .link-button:hover {
        background: #1e293b;
        color: #93c5fd;
    }

    th,
    td {
        border-color: #334155;
    }
}