:root {
    --portal-primary: #4f46e5;
    --portal-primary-dark: #4338ca;
    --portal-accent: #06b6d4;
    --portal-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --portal-bg: #f8fafc;
    --portal-card-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    --portal-radius: 16px;
}

body.portal-page {
    background: var(--portal-bg);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.portal-navbar {
    background: var(--portal-gradient) !important;
    box-shadow: 0 2px 20px rgba(102, 126, 234, 0.3);
    padding: 0.75rem 0;
}

.portal-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.portal-navbar .navbar-brand i {
    font-size: 1.3rem;
    margin-right: 0.35rem;
}

/* Hero (login page) */
.portal-hero {
    background: var(--portal-gradient);
    padding: 3rem 0 5rem;
    margin-bottom: -3rem;
    position: relative;
    overflow: hidden;
}

.portal-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}

.portal-hero h1 {
    color: #fff;
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.portal-hero p {
    color: rgba(255,255,255,0.85);
    margin: 0;
    font-size: 1rem;
}

/* Login card */
.portal-login-card {
    border: none;
    border-radius: var(--portal-radius);
    box-shadow: var(--portal-card-shadow);
    overflow: hidden;
    max-width: 480px;
    margin: 0 auto;
}

.portal-login-card .card-body {
    padding: 2rem 2rem 2.25rem;
}

.portal-login-card .form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: #334155;
    margin-bottom: 0.35rem;
}

.portal-login-card .input-group-text {
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: var(--portal-primary);
}

.portal-login-card .form-control {
    border-color: #e2e8f0;
    padding: 0.65rem 0.85rem;
}

.portal-login-card .form-control:focus {
    border-color: var(--portal-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.portal-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #94a3b8;
    font-size: 0.8rem;
    margin: 1.25rem 0;
}

.portal-divider::before,
.portal-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.portal-btn-primary {
    background: var(--portal-gradient);
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 10px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.portal-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    background: var(--portal-gradient);
    border: none;
}

.portal-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
    padding: 0 1rem;
}

.portal-feature {
    text-align: center;
    color: rgba(255,255,255,0.9);
    max-width: 140px;
}

.portal-feature i {
    font-size: 1.75rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.95;
}

.portal-feature span {
    font-size: 0.8rem;
    line-height: 1.3;
}

/* Dashboard */
.portal-welcome {
    background: #fff;
    border-radius: var(--portal-radius);
    padding: 1.5rem 1.75rem;
    box-shadow: var(--portal-card-shadow);
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--portal-primary);
}

.portal-welcome h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 0.25rem;
}

.portal-welcome p {
    color: #64748b;
    margin: 0;
    font-size: 0.9rem;
}

.portal-stat {
    background: #fff;
    border-radius: var(--portal-radius);
    padding: 1.25rem;
    box-shadow: var(--portal-card-shadow);
    text-align: center;
    transition: transform 0.2s;
    height: 100%;
    border: 1px solid #f1f5f9;
}

.portal-stat:hover {
    transform: translateY(-3px);
}

.portal-stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.portal-stat-icon.services { background: #eef2ff; color: #4f46e5; }
.portal-stat-icon.offers { background: #ecfeff; color: #0891b2; }
.portal-stat-icon.invoices { background: #f0fdf4; color: #16a34a; }

.portal-stat h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

.portal-stat small {
    color: #64748b;
    font-size: 0.8rem;
}

.portal-section {
    background: #fff;
    border-radius: var(--portal-radius);
    box-shadow: var(--portal-card-shadow);
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 1px solid #f1f5f9;
}

.portal-section-header {
    padding: 1rem 1.25rem;
    background: #fafbfc;
    border-bottom: 1px solid #f1f5f9;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.portal-section-header i {
    color: var(--portal-primary);
}

.portal-section-body {
    padding: 0;
}

.portal-section-body .table {
    margin: 0;
}

.portal-section-body .table th {
    background: #fafbfc;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #64748b;
    font-weight: 600;
    padding: 0.85rem 1.25rem;
    border: none;
}

.portal-section-body .table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-color: #f1f5f9;
}

.portal-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #f1f5f9;
    gap: 1rem;
}

.portal-list-item:last-child {
    border-bottom: none;
}

.portal-list-item .item-title {
    font-weight: 600;
    color: #1e293b;
    font-size: 0.9rem;
}

.portal-list-item .item-meta {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 0.15rem;
}

.portal-empty {
    text-align: center;
    padding: 2.5rem 1.5rem;
    color: #94a3b8;
}

.portal-empty i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

/* Service detail */
.portal-service-header {
    background: var(--portal-gradient);
    color: #fff;
    border-radius: var(--portal-radius);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--portal-card-shadow);
}

.portal-service-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.portal-service-header .service-no {
    font-family: ui-monospace, monospace;
    font-size: 0.95rem;
    opacity: 0.9;
}

.portal-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.portal-info-box {
    background: #fff;
    border-radius: 12px;
    padding: 1rem 1.15rem;
    box-shadow: var(--portal-card-shadow);
    border: 1px solid #f1f5f9;
}

.portal-info-box label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #94a3b8;
    font-weight: 600;
    display: block;
    margin-bottom: 0.25rem;
}

.portal-info-box span {
    font-weight: 600;
    color: #1e293b;
    font-size: 0.9rem;
}

.portal-timeline {
    position: relative;
    padding-left: 1.5rem;
}

.portal-timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: #e2e8f0;
}

.portal-timeline-item {
    position: relative;
    padding-bottom: 1.25rem;
}

.portal-timeline-item:last-child {
    padding-bottom: 0;
}

.portal-timeline-item::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--portal-primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--portal-primary);
}

.portal-timeline-item .time {
    font-size: 0.75rem;
    color: #94a3b8;
}

.portal-timeline-item .desc {
    font-size: 0.9rem;
    color: #334155;
    margin-top: 0.15rem;
}

.portal-footer {
    margin-top: auto;
    padding: 1.25rem 0;
    text-align: center;
    color: #94a3b8;
    font-size: 0.8rem;
    border-top: 1px solid #e2e8f0;
    background: #fff;
}

.portal-back-btn {
    border-radius: 10px;
    font-weight: 500;
}

@media (max-width: 576px) {
    .portal-hero { padding: 2rem 0 4rem; }
    .portal-hero h1 { font-size: 1.4rem; }
    .portal-login-card .card-body { padding: 1.5rem; }
    .portal-list-item { flex-direction: column; align-items: flex-start; }
}