.portal-shell {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(160deg, #f0fdfa 0%, #f8fafc 45%, #eef2ff 100%);
    font-family: "IBM Plex Sans Arabic", "Segoe UI", sans-serif;
}

.portal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: #0f766e;
    color: #fff;
    box-shadow: 0 2px 12px rgba(15, 118, 110, 0.25);
}

.portal-brand {
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.05rem;
}

.portal-nav {
    display: flex;
    gap: 16px;
}

.portal-nav a {
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-size: 0.9rem;
}

.portal-nav a:hover {
    text-decoration: underline;
}

.portal-main {
    flex: 1;
    width: min(920px, 100%);
    margin: 0 auto;
    padding: 24px 16px 40px;
}

.portal-footer {
    text-align: center;
    padding: 14px;
    font-size: 0.8rem;
    color: #64748b;
}

.portal-card {
    background: #fff;
    border-radius: 14px;
    padding: 22px;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    border: 1px solid #e2e8f0;
}

.portal-card h1 {
    margin: 0 0 8px;
    font-size: 1.35rem;
    color: #0f172a;
}

.portal-card p.lead {
    margin: 0 0 20px;
    color: #64748b;
    font-size: 0.92rem;
}

.portal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.portal-stat {
    background: #f8fafc;
    border-radius: 10px;
    padding: 14px;
    text-align: center;
}

.portal-stat .label {
    font-size: 0.75rem;
    color: #64748b;
}

.portal-stat .value {
    font-size: 1.15rem;
    font-weight: 700;
    margin-top: 4px;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

.portal-stat-total .value { color: var(--num-brand, #0f766e); }
.portal-stat-paid .value { color: var(--num-positive, #16a34a); }
.portal-stat-remaining .value { color: var(--num-caution, #d97706); }
.portal-stat-overdue .value { color: var(--num-negative, #dc2626); }

.portal-stat-sub {
    display: block;
    font-size: 0.68rem;
    color: #94a3b8;
    margin-top: 2px;
    font-weight: 500;
}

.portal-table td.amount-cell,
.portal-table td.tabular-nums {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

.portal-table td.amount-cell {
    font-weight: 600;
    white-space: nowrap;
}

.portal-table td.amount-overdue {
    color: var(--num-negative, #dc2626);
    font-weight: 700;
}

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

.portal-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.portal-table th,
.portal-table td {
    padding: 10px 8px;
    border-bottom: 1px solid #f1f5f9;
    text-align: right;
}

.portal-table th {
    color: #64748b;
    font-weight: 600;
}

.inquiry-hero {
    text-align: center;
    margin-bottom: 20px;
}

.inquiry-progress {
    height: 10px;
    background: #e2e8f0;
    border-radius: 999px;
    overflow: hidden;
    margin: 12px 0;
}

.inquiry-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #0f766e, #14b8a6);
    border-radius: 999px;
}

.inquiry-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.inquiry-badge.ok { background: #ecfdf5; color: #047857; }
.inquiry-badge.warn { background: #fef2f2; color: #b91c1c; }

.portal-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0 14px;
    padding: 4px;
    background: #f1f5f9;
    border-radius: 12px;
}

.portal-tab {
    flex: 1;
    min-width: 100px;
    padding: 8px 12px;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
}

.portal-tab.active {
    background: #fff;
    color: #0f766e;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.portal-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.portal-link-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

.portal-link-url {
    font-size: 0.78rem;
    color: #64748b;
    word-break: break-all;
    margin-top: 4px;
}

.portal-link-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.portal-install-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 16px;
    background: #ecfdf5;
    border-bottom: 1px solid #99f6e4;
    font-size: 0.85rem;
}

.portal-install-banner[hidden] { display: none !important; }

.inquiry-panel-url {
    width: 100%;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.85rem;
    margin: 8px 0;
    background: #f8fafc;
}

@media (max-width: 640px) {
    .portal-header { flex-direction: column; gap: 10px; align-items: flex-start; }
}