:root {
  --bg: #0D1B4B; --bg2: #1A3A7C; --surface: #FFFFFF; --surface2: #F0F6FF;
  --border: #D1DCF5; --text: #0D1B4B; --text2: #4B5C8A;
  --accent: #0891B2; --accent2: #38BDF8;
  --green: #10B981; --amber: #F59E0B; --red: #EF4444; --purple: #8B5CF6;
  --radius: 8px; --shadow: 0 2px 12px rgba(13,27,75,.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--surface2); color: var(--text); font-size: 14px; }
.auth-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.auth-card { background: var(--surface); border-radius: 16px; padding: 40px; width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.auth-logo { display: flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 700; color: var(--bg); margin-bottom: 4px; }
.logo-icon { color: var(--accent); font-size: 28px; }
.auth-sub { color: var(--text2); font-size: 12px; margin-bottom: 28px; }
.error-msg { color: var(--red); font-size: 12px; margin-top: 8px; min-height: 18px; }
.app { display: flex; height: 100vh; overflow: hidden; }
.hidden { display: none !important; }
.sidebar { width: 220px; flex-shrink: 0; background: var(--bg); display: flex; flex-direction: column; }
.sidebar-header { display: flex; align-items: center; gap: 10px; padding: 20px 16px; font-weight: 700; color: #fff; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.logo-name { color: #fff; }
.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius); color: rgba(255,255,255,.7); text-decoration: none; transition: all .15s; font-size: 13px; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.12); color: #fff; }
.nav-icon { width: 18px; text-align: center; font-size: 16px; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,.1); }
.user-info { color: rgba(255,255,255,.8); font-size: 12px; margin-bottom: 8px; line-height: 1.4; }
.main-content { flex: 1; overflow-y: auto; padding: 28px; }
.page-header { margin-bottom: 24px; }
.page-title { font-size: 22px; font-weight: 700; color: var(--bg); }
.page-sub { color: var(--text2); font-size: 13px; margin-top: 4px; }
.cards-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.stat-card { background: var(--surface); border-radius: var(--radius); padding: 20px; flex: 1; min-width: 140px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.stat-value { font-size: 28px; font-weight: 700; color: var(--bg); }
.stat-label { font-size: 12px; color: var(--text2); margin-top: 4px; }
.stat-card.green .stat-value { color: var(--green); }
.stat-card.amber .stat-value { color: var(--amber); }
.stat-card.red .stat-value { color: var(--red); }
.stat-card.blue .stat-value { color: var(--accent); }
.table-wrap { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; }
.table-toolbar { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.toolbar-title { font-weight: 600; font-size: 15px; flex: 1; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--surface2); color: var(--text2); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:hover { background: var(--surface2); }
tbody td { padding: 10px 14px; font-size: 13px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; white-space: nowrap; }
.badge-draft { background: #E2E8F0; color: #475569; }
.badge-pending { background: #FEF3C7; color: #92400E; }
.badge-approved { background: #D1FAE5; color: #065F46; }
.badge-ordered { background: #DBEAFE; color: #1E40AF; }
.badge-received { background: #D1FAE5; color: #065F46; }
.badge-cancelled { background: #FEE2E2; color: #991B1B; }
.badge-p0 { background: #FEE2E2; color: #991B1B; }
.badge-p1 { background: #FEF3C7; color: #92400E; }
.badge-p2 { background: #DBEAFE; color: #1E40AF; }
.badge-p3 { background: #F1F5F9; color: #64748B; }
.badge-type { background: #EDE9FE; color: #5B21B6; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--border); background: #FAFCFF; }
select.filter-select, input.filter-input { padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 12px; color: var(--text); background: var(--surface); cursor: pointer; outline: none; }
select.filter-select:focus, input.filter-input:focus { border-color: var(--accent); }
.btn { padding: 8px 16px; border-radius: var(--radius); border: none; cursor: pointer; font-size: 13px; font-weight: 500; transition: all .15s; }
.btn-primary { background: var(--bg); color: #fff; }
.btn-primary:hover { background: var(--bg2); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { opacity: .9; }
.btn-ghost { background: transparent; color: rgba(255,255,255,.7); border: 1px solid rgba(255,255,255,.2); }
.btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-full { width: 100%; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 6px; }
.field input { width: 100%; padding: 10px 12px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: 14px; outline: none; transition: border-color .15s; }
.field input:focus { border-color: var(--accent); }
.dropzone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 40px; text-align: center; cursor: pointer; transition: all .2s; background: var(--surface); }
.dropzone:hover, .dropzone.drag-over { border-color: var(--accent); background: #EFF8FF; }
.dropzone-icon { font-size: 40px; margin-bottom: 12px; }
.dropzone-text { color: var(--text2); font-size: 13px; }
.dropzone-text strong { color: var(--accent); }
.loading { text-align: center; padding: 48px; color: var(--text2); }
.empty { text-align: center; padding: 48px; color: var(--text2); }
.spinner { display: inline-block; width: 24px; height: 24px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; margin-bottom: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }
#toast { position: fixed; bottom: 24px; right: 24px; background: var(--bg); color: #fff; padding: 12px 20px; border-radius: var(--radius); font-size: 13px; box-shadow: 0 4px 20px rgba(0,0,0,.3); transform: translateY(80px); opacity: 0; transition: all .3s; z-index: 999; }
#toast.show { transform: translateY(0); opacity: 1; }
#toast.success { background: var(--green); }
#toast.error { background: var(--red); }
.import-preview { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; margin-top: 20px; }
.import-header { padding: 14px 16px; background: var(--surface2); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }