:root {
    --blue: #2563eb;
    --green: #16a34a;
    --ink: #172033;
    --muted: #64748b;
    --line: #dbe3ef;
    --surface: #f5f8fc;
}

body {
    background: var(--surface);
    color: var(--ink);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.auth-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #eef6ff, #f7fbf8);
}

.auth-shell {
    width: min(440px, calc(100% - 32px));
}

.auth-panel,
.form-card,
.table-card,
.info-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 32px rgba(23, 32, 51, .06);
}

.auth-panel,
.form-card,
.info-panel {
    padding: 24px;
}

.brand-mark {
    display: inline-grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 8px;
    background: var(--blue);
    color: #fff;
    font-weight: 800;
}

.app-frame {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #fff;
    border-right: 1px solid var(--line);
    padding: 20px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    display: flex;
    gap: 12px;
    align-items: center;
    color: var(--ink);
    font-weight: 800;
    text-decoration: none;
    margin-bottom: 28px;
}

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

.sidebar-nav a {
    color: var(--ink);
    text-decoration: none;
    padding: 12px 14px;
    border-radius: 8px;
}

.sidebar-nav a:hover {
    background: #eef6ff;
    color: var(--blue);
}

.main-area {
    flex: 1;
    min-width: 0;
}

.topbar {
    min-height: 72px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 28px;
}

.quick-search {
    width: min(460px, 100%);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}

.content {
    padding: 28px;
}

.page-heading,
.patient-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.page-heading h1,
.patient-hero h1 {
    margin: 0;
    font-size: 28px;
}

.page-heading p,
.patient-hero p {
    margin: 6px 0 0;
    color: var(--muted);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(150px, 1fr));
    gap: 16px;
}

.finance-kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(150px, 1fr));
    gap: 16px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--line);
    border-left: 4px solid var(--blue);
    border-radius: 8px;
    padding: 18px;
}

.stat-card span {
    color: var(--muted);
    display: block;
    font-size: 14px;
}

.stat-card strong {
    display: block;
    font-size: 28px;
    margin-top: 8px;
}

.stat-card.warning {
    border-left-color: #f59e0b;
}

.stat-card.danger {
    border-left-color: #dc2626;
}

.table-card .card-header {
    background: #fff;
    border-bottom: 1px solid var(--line);
    font-weight: 700;
    padding: 14px 18px;
}

.patient-hero {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 20px;
}

.patient-avatar {
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: #e9f7ef;
    color: var(--green);
    font-size: 24px;
    font-weight: 800;
}

.patient-tabs .nav-link {
    color: var(--ink);
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.report-grid a {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    font-weight: 700;
    padding: 18px;
    text-decoration: none;
}

@media (max-width: 920px) {
    .app-frame {
        display: block;
    }

    .sidebar {
        width: 100%;
        height: auto;
        position: static;
    }

    .sidebar-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar,
    .page-heading,
    .patient-hero {
        align-items: stretch;
        flex-direction: column;
    }

    .stat-grid,
    .finance-kpi-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .content {
        padding: 18px;
    }

    .stat-grid,
    .finance-kpi-grid,
    .sidebar-nav {
        grid-template-columns: 1fr;
    }
}