/* assets/css/app.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #185FA5;
  --blue-light: #E6F1FB;
  --blue-mid: #378ADD;
  --green: #3B6D11;
  --green-light: #EAF3DE;
  --teal: #0F6E56;
  --teal-light: #E1F5EE;
  --amber: #854F0B;
  --amber-light: #FAEEDA;
  --red: #A32D2D;
  --red-light: #FCEBEB;
  --purple: #3C3489;
  --purple-light: #EEEDFE;
  --gray: #5F5E5A;
  --gray-light: #F1EFE8;
  --border: #e0e0d8;
  --border-light: rgba(0,0,0,0.08);
  --bg: #f4f4f0;
  --bg-card: #fff;
  --text: #1a1a18;
  --text-muted: #666663;
  --text-hint: #999997;
  --sidebar-w: 210px;
  --topbar-h: 50px;
  --radius: 8px;
  --radius-lg: 12px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif; font-size: 14px; color: var(--text); background: var(--bg); }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: var(--sidebar-w); flex-shrink: 0; background: var(--bg-card); border-right: 0.5px solid var(--border); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100; }
.main-wrap { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

/* Sidebar */
.sidebar-logo { padding: 16px; border-bottom: 0.5px solid var(--border); display: flex; align-items: center; gap: 10px; }
.logo-name { font-size: 13px; font-weight: 600; color: var(--text); }
.logo-sub { font-size: 11px; color: var(--text-hint); margin-top: 1px; }
.sidebar-nav { flex: 1; padding: 8px 0; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 8px; padding: 8px 16px; font-size: 13px; color: var(--text-muted); text-decoration: none; border-left: 2px solid transparent; transition: all .15s; }
.nav-item:hover { background: var(--bg); color: var(--text); }
.nav-item.active { background: var(--blue-light); color: var(--blue); border-left-color: var(--blue-mid); font-weight: 500; }
.nav-item i { font-size: 16px; flex-shrink: 0; }
.nav-badge { margin-left: auto; background: var(--red-light); color: var(--red); font-size: 10px; padding: 1px 6px; border-radius: 8px; font-weight: 500; }
.sidebar-user { padding: 12px 16px; border-top: 0.5px solid var(--border); display: flex; align-items: center; gap: 8px; }
.user-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--blue-light); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: var(--blue); flex-shrink: 0; }
.user-name { font-size: 12px; font-weight: 500; color: var(--text); }
.user-role { font-size: 11px; color: var(--text-hint); }
.logout-btn { margin-left: auto; color: var(--text-hint); text-decoration: none; padding: 4px; border-radius: 4px; }
.logout-btn:hover { color: var(--red); background: var(--red-light); }

/* Topbar */
.topbar { height: var(--topbar-h); background: var(--bg-card); border-bottom: 0.5px solid var(--border); display: flex; align-items: center; padding: 0 20px; gap: 12px; position: sticky; top: 0; z-index: 50; }
.page-title { font-size: 15px; font-weight: 500; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 10px; }

/* Content */
.page-content { padding: 20px; flex: 1; }

/* Cards */
.card { background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--radius-lg); padding: 16px 20px; margin-bottom: 16px; }
.card-title { font-size: 13px; font-weight: 500; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }

/* KPI cards */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi-card { background: #f7f7f4; border-radius: var(--radius); padding: 14px 16px; }
.kpi-label { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; display: flex; align-items: center; gap: 5px; }
.kpi-val { font-size: 24px; font-weight: 500; }
.kpi-sub { font-size: 11px; color: var(--text-hint); margin-top: 3px; }
.kpi-danger .kpi-val { color: var(--red); }
.kpi-warn .kpi-val { color: var(--amber); }
.kpi-blue .kpi-val { color: var(--blue); }
.kpi-green .kpi-val { color: var(--green); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 0.5px solid var(--border); border-radius: var(--radius); background: var(--bg-card); color: var(--text-muted); font-size: 13px; cursor: pointer; font-family: inherit; text-decoration: none; transition: all .15s; }
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn-primary:hover { background: #0C447C; }
.btn-success { background: var(--green-light); color: var(--green); border-color: #97C459; }
.btn-danger { background: var(--red-light); color: var(--red); border-color: #F09595; }
.btn-warning { background: var(--amber-light); color: var(--amber); border-color: #EF9F27; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; }
.btn i { font-size: 15px; }

/* Forms */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 5px; }
.form-label .req { color: var(--red); margin-left: 2px; }
.form-hint { font-size: 11px; color: var(--text-hint); margin-top: 3px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px 16px; }
.col-span-2 { grid-column: 1 / -1; }
input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="date"], input[type="search"], select, textarea {
  width: 100%; padding: 7px 10px; border: 0.5px solid var(--border); border-radius: var(--radius); font-size: 13px; font-family: inherit; background: var(--bg-card); color: var(--text); outline: none; transition: border .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue-mid); }
textarea { resize: vertical; min-height: 70px; }
.input-group { display: flex; gap: 8px; }
.input-group input { flex: 1; }
.readonly-field { background: #f7f7f4; color: var(--text-muted); }
.form-actions { display: flex; gap: 10px; padding-top: 16px; border-top: 0.5px solid var(--border); margin-top: 4px; }

/* Tables */
.table-wrap { background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; }
th { font-size: 11px; color: var(--text-muted); text-align: left; padding: 9px 12px; border-bottom: 0.5px solid var(--border); background: #f7f7f4; font-weight: 500; white-space: nowrap; }
td { font-size: 12px; padding: 10px 12px; border-bottom: 0.5px solid var(--border-light); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafaf8; }
.td-link { color: var(--blue); cursor: pointer; font-weight: 500; text-decoration: none; }
.td-link:hover { text-decoration: underline; }
.td-action { display: flex; gap: 8px; align-items: center; }
.action-link { font-size: 12px; color: var(--blue); cursor: pointer; text-decoration: none; }
.action-link:hover { text-decoration: underline; }
.action-link.danger { color: var(--red); }

/* Filter bar */
.filter-bar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { width: auto; min-width: 120px; max-width: 200px; }
.search-input { min-width: 200px; }

/* Status tabs */
.status-tabs { display: flex; gap: 0; border-bottom: 0.5px solid var(--border); margin-bottom: 16px; overflow-x: auto; }
.status-tab { padding: 8px 16px; font-size: 13px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; text-decoration: none; }
.status-tab:hover { color: var(--text); }
.status-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 500; }
.tab-count { background: var(--bg); color: var(--text-hint); font-size: 10px; padding: 1px 5px; border-radius: 8px; margin-left: 4px; }
.status-tab.active .tab-count { background: var(--blue-light); color: var(--blue); }

/* Alert/status */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.alert-info { background: var(--blue-light); color: #0C447C; border: 0.5px solid #85B7EB; }
.alert-success { background: var(--green-light); color: #27500A; border: 0.5px solid #97C459; }
.alert-warning { background: var(--amber-light); color: #633806; border: 0.5px solid #EF9F27; }
.alert-danger { background: var(--red-light); color: var(--red); border: 0.5px solid #F09595; }

/* Upload zone */
.upload-zone { border: 1px dashed var(--border); border-radius: var(--radius); padding: 20px; text-align: center; cursor: pointer; color: var(--text-hint); font-size: 12px; transition: background .15s; }
.upload-zone:hover { background: var(--bg); }
.upload-zone i { font-size: 28px; color: var(--blue-mid); display: block; margin-bottom: 8px; }
.file-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 0.5px solid var(--border); border-radius: var(--radius); margin-top: 8px; min-width: 0; background: var(--bg-card); }
.file-item .file-name { flex: 1; font-size: 12px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .file-meta { font-size: 11px; color: var(--text-hint); }
.file-item i.file-icon { font-size: 18px; color: var(--blue); flex-shrink: 0; }

/* Progress/timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item { display: flex; gap: 12px; padding-bottom: 16px; position: relative; }
.tl-line { position: absolute; left: 8px; top: 20px; bottom: 0; width: 1px; background: var(--border); }
.tl-dot { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border); background: var(--bg-card); flex-shrink: 0; z-index: 1; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.tl-dot.done { background: var(--blue); border-color: var(--blue); color: #fff; font-size: 10px; }
.tl-dot.current { background: var(--blue); border-color: var(--blue-mid); box-shadow: 0 0 0 3px var(--blue-light); }
.tl-dot.error { background: var(--red); border-color: var(--red); }
.tl-content { flex: 1; }
.tl-label { font-size: 13px; font-weight: 500; }
.tl-time { font-size: 11px; color: var(--text-hint); margin-top: 2px; }
.tl-note { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* AI summary bar */
.ai-bar { background: var(--blue-light); border-radius: var(--radius); padding: 8px 12px; font-size: 12px; color: #0C447C; display: flex; align-items: center; gap: 8px; }

/* Toggle switch */
.toggle-wrap { display: flex; align-items: center; gap: 8px; }
.toggle { width: 38px; height: 22px; border-radius: 11px; background: #ddd; border: 0.5px solid var(--border); position: relative; cursor: pointer; transition: background .2s; flex-shrink: 0; }
.toggle.on { background: var(--blue); border-color: var(--blue); }
.toggle-thumb { position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: left .2s; }
.toggle.on .toggle-thumb { left: 21px; }
.toggle-label { font-size: 12px; color: var(--text-muted); }

/* Price badges */
.price-sell { color: var(--blue); font-weight: 500; }
.price-cost { color: var(--teal); font-weight: 500; }
.margin-badge { display: inline-block; padding: 1px 5px; border-radius: 6px; font-size: 10px; font-weight: 500; background: var(--green-light); color: var(--green); }
.margin-badge.mid { background: var(--amber-light); color: var(--amber); }
.margin-badge.low { background: var(--red-light); color: var(--red); }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-bottom: 20px; }
.prod-card { background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; cursor: pointer; transition: border-color .15s; }
.prod-card:hover { border-color: var(--blue-mid); }
.prod-img { height: 110px; background: #f7f7f4; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.prod-img img { width: 100%; height: 100%; object-fit: cover; }
.prod-img-placeholder { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--text-hint); font-size: 11px; }
.prod-img-placeholder i { font-size: 30px; }
.prod-body { padding: 12px; }
.prod-name { font-size: 13px; font-weight: 500; margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.prod-sku { font-size: 11px; color: var(--text-hint); margin-bottom: 6px; }
.prod-footer { padding: 6px 10px; border-top: 0.5px solid var(--border-light); display: flex; gap: 4px; flex-wrap: wrap; }

/* Cat tags */
.cat-tag { display: inline-block; padding: 1px 7px; border-radius: 8px; font-size: 10px; font-weight: 500; margin-bottom: 6px; }
.cat-elec { background: var(--blue-light); color: var(--blue); }
.cat-mech { background: var(--amber-light); color: var(--amber); }
.cat-chem { background: var(--teal-light); color: var(--teal); }
.cat-other { background: var(--gray-light); color: var(--gray); }

/* Detail page */
.detail-grid { display: block; } /* tabs now full width, meta row handled inline */
.detail-tab-row { display: flex; border-bottom: 0.5px solid var(--border); margin-bottom: 16px; }
.detail-tab { padding: 8px 14px; font-size: 13px; cursor: pointer; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.detail-tab.active { color: var(--blue); border-bottom-color: var(--blue); font-weight: 500; }
.info-row { display: flex; padding: 6px 0; border-bottom: 0.5px solid var(--border-light); }
.info-row:last-child { border: none; }
.info-label { font-size: 12px; color: var(--text-muted); width: 100px; flex-shrink: 0; }
.info-val { font-size: 12px; }
.price-block { padding: 14px; border-radius: var(--radius); margin-bottom: 10px; }
.price-block-sell { background: var(--blue-light); }
.price-block-cost { background: var(--teal-light); }
.price-block-margin { background: var(--purple-light); }
.price-block .pb-label { font-size: 11px; font-weight: 500; margin-bottom: 4px; }
.price-block-sell .pb-label { color: var(--blue); }
.price-block-cost .pb-label { color: var(--teal); }
.price-block-margin .pb-label { color: var(--purple); }
.price-block .pb-val { font-size: 22px; font-weight: 500; }
.price-block-sell .pb-val { color: #0C447C; }
.price-block-cost .pb-val { color: #085041; }
.price-block-margin .pb-val { color: #26215C; }
.price-block .pb-sub { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* Anomaly */
.anomaly-box { background: var(--red-light); border: 0.5px solid #F09595; border-radius: var(--radius); padding: 14px; margin-top: 12px; }
.anomaly-title { font-size: 12px; font-weight: 500; color: var(--red); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }

/* Pagination */
.pagination { display: flex; gap: 6px; align-items: center; margin-top: 16px; }
.page-link { padding: 4px 10px; border: 0.5px solid var(--border); border-radius: 6px; font-size: 12px; text-decoration: none; color: var(--text); }
.page-link.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.page-link:hover:not(.active) { background: var(--bg); }

/* Modal */
.modal-backdrop { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.4); z-index: 1000; align-items: flex-start; justify-content: center; padding: 40px 20px; overflow-y: auto; }
.modal-backdrop.open { display: flex; }
.modal { background: var(--bg-card); border-radius: var(--radius-lg); border: 0.5px solid var(--border); width: 100%; max-width: 680px; }
.modal-header { padding: 14px 20px; border-bottom: 0.5px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-title { font-size: 15px; font-weight: 500; }
.modal-body { padding: 20px; max-height: 70vh; overflow-y: auto; }
.modal-footer { padding: 12px 20px; border-top: 0.5px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* Misc */
.text-muted { color: var(--text-muted); }
.text-hint { color: var(--text-hint); }
.text-danger { color: var(--red); }
.text-success { color: var(--green); }
.text-blue { color: var(--blue); }
.fw-500 { font-weight: 500; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.hidden { display: none; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.ml-auto { margin-left: auto; }
.urgent-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); display: inline-block; margin-left: 4px; vertical-align: middle; }
.saved-tip { display: none; font-size: 12px; color: var(--green); align-items: center; gap: 4px; }