:root {
    --fivepb-purple: #7413dc;
    --fivepb-purple-dark: #4d0b91;
    --fivepb-ink: #1f2024;
    --fivepb-muted: #666a73;
    --fivepb-line: #e5e1ea;
    --fivepb-bg: #f6f4f8;
    --fivepb-white: #fff;
    --fivepb-green: #16784b;
    --fivepb-amber: #9b6500;
    --fivepb-red: #b42318;
}

body { background: var(--fivepb-bg); color: var(--fivepb-ink); font-family: Arial, sans-serif; }
a { color: var(--fivepb-purple); }
.wrapper { min-height: 100vh; }
.modern-sidebar { background: #241531 !important; width: 248px; }
.modern-sidebar::before, .modern-sidebar::after { display: none !important; }
.modern-sidebar .sidebar-wrapper { display: flex; flex-direction: column; min-height: 100vh; width: 248px; }
.admin-sidebar-brand { display: flex; gap: 12px; align-items: center; padding: 24px 20px 18px; color: #fff; border-bottom: 1px solid rgba(255,255,255,.12); }
.admin-sidebar-brand strong, .admin-sidebar-brand small { display: block; }
.admin-sidebar-brand small { opacity: .7; margin-top: 2px; }
.admin-brand-mark { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 36px; padding: 0 8px; border-radius: 10px; background: var(--fivepb-purple); color: #fff; font-weight: 800; letter-spacing: .04em; }
.admin-nav { padding: 12px !important; flex: 1; }
.admin-nav > li > a { display: flex !important; align-items: center; gap: 12px; margin: 3px 0 !important; padding: 11px 12px !important; border-radius: 9px !important; color: rgba(255,255,255,.82) !important; }
.admin-nav > li > a i { width: 19px; font-size: 15px !important; }
.admin-nav > li > a span { font-size: 14px; }
.admin-nav > li.active > a, .admin-nav > li > a:hover { background: var(--fivepb-purple) !important; color: #fff !important; box-shadow: none !important; }
.admin-sidebar-footer { display: flex; justify-content: space-between; gap: 8px; padding: 18px 20px; color: rgba(255,255,255,.7); border-top: 1px solid rgba(255,255,255,.12); }
.admin-sidebar-footer a { color: #fff; font-weight: 700; }
.modern-main-panel { width: calc(100% - 248px); background: var(--fivepb-bg); min-height: 100vh; }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; min-height: 58px; padding: 0 28px; background: #fff; border-bottom: 1px solid var(--fivepb-line); }
.admin-topbar > span { font-weight: 700; }
.admin-nav-toggle { display: none; border: 0; background: transparent; }
.admin-content { padding: 26px 30px 44px; }
.admin-page-header { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 20px; }
.admin-eyebrow { margin: 0 0 5px; color: var(--fivepb-purple); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.admin-page-header h1, .admin-login-card h1 { margin: 0; font-size: 28px; font-weight: 800; }
.admin-muted { color: var(--fivepb-muted); }
.admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 38px; padding: 8px 14px; border: 1px solid var(--fivepb-line); border-radius: 8px; background: #fff; color: var(--fivepb-ink); font-weight: 700; cursor: pointer; }
.admin-button:hover { text-decoration: none; border-color: var(--fivepb-purple); color: var(--fivepb-purple); }
.admin-button-primary { border-color: var(--fivepb-purple); background: var(--fivepb-purple); color: #fff; }
.admin-button-primary:hover { background: var(--fivepb-purple-dark); color: #fff; }
.admin-button-block { width: 100%; }
.admin-metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; margin-bottom: 18px; }
.admin-metric, .admin-card { background: #fff; border: 1px solid var(--fivepb-line); border-radius: 12px; box-shadow: 0 4px 18px rgba(30,15,45,.035); }
.admin-metric { padding: 16px 18px; }
.admin-metric span { color: var(--fivepb-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.admin-metric strong { display: block; margin-top: 4px; font-size: 28px; }
.admin-grid { display: grid; grid-template-columns: minmax(0,2fr) minmax(280px,1fr); gap: 18px; }
.admin-card { overflow: hidden; }
.admin-card-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--fivepb-line); }
.admin-card-header h2, .admin-card-header h3 { margin: 0; font-size: 17px; font-weight: 800; }
.admin-card-body { padding: 18px; }
.admin-table { width: 100%; margin: 0; border-collapse: collapse; }
.admin-table th { padding: 10px 12px; color: var(--fivepb-muted); font-size: 11px; text-align: left; text-transform: uppercase; letter-spacing: .05em; border-bottom: 1px solid var(--fivepb-line); }
.admin-table td { padding: 12px; border-bottom: 1px solid var(--fivepb-line); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: 0; }
.admin-table a { font-weight: 700; }
.admin-status { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.status-pending, .status-open, .status-draft { color: var(--fivepb-amber); background: #fff5d6; }
.status-confirmed, .status-paid, .status-sent { color: var(--fivepb-green); background: #e4f5ec; }
.status-cancelled, .status-void, .status-uncollectible, .status-overdue, .status-failed { color: var(--fivepb-red); background: #fee9e7; }
.status-not-linked { color: var(--fivepb-muted); background: #f1eff3; }
.admin-detail-list { display: grid; grid-template-columns: 150px 1fr; margin: 0; }
.admin-detail-list dt, .admin-detail-list dd { padding: 10px 0; border-bottom: 1px solid var(--fivepb-line); }
.admin-detail-list dt { color: var(--fivepb-muted); }
.admin-detail-list dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.admin-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.admin-form-group { margin-bottom: 14px; }
.admin-form-group label, .admin-login-card label { display: block; margin-bottom: 6px; color: var(--fivepb-ink); font-size: 13px; font-weight: 700; }
.admin-form-group input, .admin-form-group select, .admin-form-group textarea, .admin-login-card input { width: 100%; padding: 10px 11px; border: 1px solid #cfc9d5; border-radius: 8px; background: #fff; }
.admin-form-group textarea { min-height: 180px; resize: vertical; }
.admin-help { margin: 6px 0 0; color: var(--fivepb-muted); font-size: 12px; }
.admin-alert { margin-bottom: 16px; padding: 11px 13px; border-radius: 8px; font-weight: 700; }
.admin-alert-success { color: var(--fivepb-green); background: #e4f5ec; }
.admin-alert-error { color: var(--fivepb-red); background: #fee9e7; }
.admin-empty { padding: 28px 18px; color: var(--fivepb-muted); text-align: center; }
.admin-email-preview { padding: 18px; border: 1px solid var(--fivepb-line); border-radius: 8px; background: #fff; }
.admin-login-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(145deg,#f4eff9,#fff); }
.admin-login-card { width: min(420px,100%); padding: 30px; border: 1px solid var(--fivepb-line); border-radius: 16px; background: #fff; box-shadow: 0 18px 60px rgba(36,21,49,.12); }
.admin-login-card .admin-brand-mark { margin-bottom: 18px; }
.admin-login-card input { margin-bottom: 15px; }

@media (max-width: 980px) {
    .admin-metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .admin-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    .modern-sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    body.admin-nav-open .modern-sidebar { transform: translateX(0); }
    .modern-main-panel { width: 100%; }
    .admin-nav-toggle { display: inline-block; }
    .admin-content { padding: 20px 14px 36px; }
    .admin-page-header, .admin-form-grid { display: block; }
    .admin-page-header .admin-actions { margin-top: 12px; }
    .admin-table { min-width: 700px; }
    .admin-card { overflow-x: auto; }
    .admin-detail-list { grid-template-columns: 115px 1fr; }
}