:root {
    --primary: #52C1E0;
    --primary-hover: #3AABCB;
    --bg-dark: #0A2E48;
    --bg-light: #f8fafc;
    --text: #064668;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #4FC14D;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #52C1E0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg-light); color: var(--text); line-height: 1.5; }

/* Login page */
.login-wrapper { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; background: linear-gradient(135deg, #0A2E48 0%, #064668 100%); }
.login-card { background: #fff; border-radius: 12px; padding: 40px; width: 100%; max-width: 400px; box-shadow: 0 20px 40px rgba(0,0,0,.2); }
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo img { height: 48px; }
.login-title { text-align: center; font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.login-subtitle { text-align: center; font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

/* Layout */
.portal-nav { background: var(--bg-dark); padding: 0 24px; display: flex; align-items: center; height: 56px; position: sticky; top: 0; z-index: 100; }
.portal-nav-logo { height: 32px; }
.portal-nav-links { display: flex; gap: 4px; margin-left: 32px; }
.portal-nav-link { color: rgba(255,255,255,.7); text-decoration: none; font-size: 13px; font-weight: 500; padding: 8px 14px; border-radius: 6px; transition: all .15s; }
.portal-nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.portal-nav-link.active { color: #fff; background: rgba(255,255,255,.15); }
.portal-nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.portal-nav-user { color: rgba(255,255,255,.8); font-size: 13px; }
.portal-nav-logout { color: rgba(255,255,255,.6); font-size: 12px; text-decoration: none; padding: 6px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; }
.portal-nav-logout:hover { color: #fff; border-color: rgba(255,255,255,.4); }

.portal-content { max-width: 1200px; margin: 0 auto; padding: 24px; }
.portal-page-title { font-size: 20px; font-weight: 700; margin-bottom: 20px; }

/* Cards and tables */
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: 14px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; }

table { width: 100%; border-collapse: collapse; }
table th { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); background: #f8fafc; }
table td { font-size: 13px; padding: 10px 14px; border-bottom: 1px solid #f1f5f9; }
table tr:hover { background: #fafbfc; }
table tr:last-child td { border-bottom: none; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .03em; }
.form-control { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; font-family: inherit; transition: border-color .15s; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(82,193,224,.15); }
textarea.form-control { min-height: 100px; resize: vertical; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 16px; border: none; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; transition: all .15s; font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #f1f5f9; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Badges */
.badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 10px; display: inline-block; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #f1f5f9; color: #475569; }

/* Status colors */
.status-new, .status-reopened { color: var(--info); }
.status-assigned, .status-in_progress_triaging, .status-in_progress_awaiting_parts, .status-in_progress_on_site { color: var(--primary); }
.status-on_hold_waiting_customer, .status-on_hold_waiting_parts, .status-on_hold_waiting_approval { color: var(--warning); }
.status-escalated { color: var(--danger); }
.status-resolved_pending_confirmation, .status-resolved { color: var(--success); }
.status-closed, .status-cancelled { color: var(--text-muted); }

/* Alert */
.alert { padding: 12px 16px; border-radius: 6px; font-size: 13px; margin-bottom: 16px; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 18px; }
.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 28px; font-weight: 700; margin-top: 4px; }

/* Detail page */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.detail-item label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; font-weight: 600; }
.detail-item .value { font-size: 14px; margin-top: 2px; }

/* Timeline */
.timeline { padding: 16px; }
.timeline-item { padding: 12px 0; border-bottom: 1px solid #f1f5f9; }
.timeline-item:last-child { border-bottom: none; }
.timeline-meta { font-size: 11px; color: var(--text-muted); margin-bottom: 4px; }
.timeline-body { font-size: 13px; }

/* Pagination */
.pagination { display: flex; gap: 4px; align-items: center; justify-content: center; margin-top: 16px; }
.pg-btn { padding: 6px 12px; border: 1px solid var(--border); border-radius: 4px; font-size: 12px; color: var(--text); text-decoration: none; background: #fff; cursor: pointer; }
.pg-btn:hover { background: #f1f5f9; }
.pg-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .5; }

/* Responsive */
@media (max-width: 768px) {
    .portal-nav-links { display: none; }
    .portal-content { padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .detail-grid { grid-template-columns: 1fr; }
}