* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: #222; background: #f5f6f8; }
a { color: #1f6feb; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 16px 0; }
h2 { font-size: 18px; margin: 18px 0 8px; }
p.muted, .muted { color: #6b7280; font-size: 13px; }

.topbar { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: #0f172a; color: #fff; }
.topbar .brand { color: #fff; font-weight: 700; }
.topbar nav { display: flex; gap: 12px; flex: 1; margin-left: 24px; }
.topbar nav a { color: #d1d5db; padding: 4px 8px; border-radius: 4px; }
.topbar nav a:hover { background: #1e293b; text-decoration: none; }
.topbar nav a.primary { background: #2563eb; color: #fff; }
.topbar .me { display: flex; gap: 12px; align-items: center; font-size: 14px; }
.topbar .me a { color: #d1d5db; }

.container { max-width: 1200px; margin: 0 auto; padding: 16px; }

.flash { padding: 10px 14px; border-radius: 6px; margin: 8px 0; }
.flash.ok  { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash.err { background: #fef2f2; color: #991b1b; border: 1px solid #fca5a5; }

.auth-box { max-width: 360px; margin: 80px auto; background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.auth-box h1 { margin-top: 0; }

label { display: block; margin: 8px 0; font-size: 13px; color: #374151; }
label input, label select, label textarea { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; background: #fff; }
label input[type=checkbox], label.check input { display: inline-block; width: auto; margin-right: 6px; }
label.check { display: flex; align-items: center; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; }

.form-narrow { max-width: 520px; background: #fff; padding: 16px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
fieldset { border: 1px solid #e5e7eb; border-radius: 6px; padding: 12px; margin: 12px 0; }
fieldset legend { padding: 0 6px; color: #6b7280; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

.btn, button.btn { display: inline-block; padding: 8px 14px; border-radius: 6px; border: 1px solid #d1d5db; background: #fff; color: #111827; cursor: pointer; font-size: 14px; }
.btn:hover { background: #f3f4f6; text-decoration: none; }
.btn.primary, button.primary { background: #2563eb; border-color: #2563eb; color: #fff; }
.btn.primary:hover, button.primary:hover { background: #1d4ed8; }
.btn.small { padding: 4px 8px; font-size: 12px; }
.btn.big { padding: 12px 20px; font-size: 16px; }
.link { background: none; border: none; color: #1f6feb; cursor: pointer; padding: 0; font-size: 13px; }
.link.danger { color: #b91c1c; }
.actions { display: flex; gap: 10px; margin-top: 16px; align-items: center; }
.sticky-actions { position: sticky; bottom: 0; padding: 10px 0; background: linear-gradient(transparent, #f5f6f8 30%); z-index: 5; }

.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.table th, .table td { padding: 8px 10px; text-align: left; border-bottom: 1px solid #f1f5f9; font-size: 14px; }
.table th { background: #f8fafc; color: #475569; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.table tr:last-child td { border-bottom: none; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.card { display: flex; flex-direction: column; align-items: center; background: #fff; padding: 18px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.card strong { font-size: 32px; }
.card span { color: #6b7280; }

.size-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.size-row { display: inline-flex; align-items: center; gap: 4px; background: #f8fafc; padding: 4px 6px; border-radius: 6px; }
.size-row input { padding: 4px 6px; width: 80px; border: 1px solid #d1d5db; border-radius: 4px; }

.article-block { background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.04); padding: 12px 16px 16px; margin: 16px 0; }
.article-head { margin-bottom: 8px; }
.article-actions { text-align: right; margin: -4px 0 8px; }

.variants-table { width: 100%; border-collapse: collapse; table-layout: auto; }
.variants-table th, .variants-table td { border: 1px solid #e5e7eb; padding: 4px 6px; font-size: 13px; text-align: center; vertical-align: middle; }
.variants-table thead th { background: #f8fafc; color: #475569; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
.variants-table .col-color { text-align: left; min-width: 160px; width: 1%; white-space: nowrap; }
.variants-table input[type=text] { width: 100%; padding: 4px 6px; border: 1px solid #d1d5db; border-radius: 4px; }
.variants-table input[type=number].qty { width: 52px; padding: 4px 6px; border: 1px solid #d1d5db; border-radius: 4px; text-align: center; }
.variants-table .row-total { font-weight: 600; width: 1%; white-space: nowrap; }
.variants-table th:last-child, .variants-table td:last-child { width: 1%; }

.filter-bar { background: #fff; padding: 12px 16px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.04); margin-bottom: 12px; }