:root{--bg:#f6f7fb;--card:#fff;--text:#101828;--muted:#667085;--line:#d9dee8;--primary:#1f5eff;--danger:#b42318;--yellow:#b54708;--green:#067647}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif}
.topbar{background:#101828;color:#fff;padding:12px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:5}
.brand{font-weight:800;font-size:18px}.topbar nav{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.topbar a{color:#fff;text-decoration:none}.topbar .user{color:#d0d5dd}
.container{max-width:1360px;margin:22px auto;padding:0 18px}
h1{margin:0 0 14px}h2{margin:0 0 12px}.panel,.card,.login-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:0 2px 8px rgba(16,24,40,.04)}
.login-card{max-width:540px;margin:60px auto}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.card b{display:block;color:var(--muted);margin-bottom:6px}.card span{font-size:24px;font-weight:800}
.form-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:12px}.form-grid.single{grid-template-columns:1fr}
label{font-weight:650;font-size:13px}input,select,textarea{width:100%;padding:9px;border:1px solid var(--line);border-radius:8px;margin-top:5px;background:#fff;color:#101828!important;-webkit-text-fill-color:#101828}
textarea{min-height:78px}.wide{grid-column:1/-1}.check{display:flex;gap:8px;align-items:center}.check input{width:auto}
button,.btn,.primary{display:inline-block;border:0;border-radius:8px;padding:9px 13px;background:#344054;color:#fff;text-decoration:none;cursor:pointer}.primary{background:var(--primary)}
.actions{display:flex;gap:8px;flex-wrap:wrap}.inline-form{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.inline-form input,.inline-form select{width:auto;min-width:220px}
table{width:100%;border-collapse:collapse;background:#fff;margin:12px 0;border-radius:10px;overflow:hidden}th,td{border-bottom:1px solid var(--line);padding:9px;text-align:left;vertical-align:top;font-size:14px}th{background:#f2f4f7;color:#344054}.small-input{max-width:70px}
.badge{display:inline-block;background:#eef4ff;color:#1f5eff;border:1px solid #c7d7fe;border-radius:999px;padding:3px 8px;font-size:12px;line-height:1.4}.muted{color:var(--muted)}
.flash{border-radius:10px;padding:10px 12px;margin-bottom:12px}.flash.success{background:#ecfdf3;color:var(--green)}.flash.error{background:#fef3f2;color:var(--danger)}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}.info-grid div{background:#f9fafb;border:1px solid var(--line);border-radius:10px;padding:10px}.info-grid b{display:block;color:var(--muted);font-size:12px}.info-grid span{font-weight:800}
.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:18px}.status-grid div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px}.status-grid span{display:block;color:var(--muted);font-size:12px}.status-grid b{font-size:22px}
.title-row{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.summary-line{background:#f8fafc;border:1px dashed var(--line);border-radius:10px;padding:10px;margin-bottom:10px}.result span{font-size:18px}.manager-panel{border:2px solid var(--primary)}
.warnings{margin-bottom:18px}.warning{border-radius:10px;border:1px solid;padding:10px;margin-bottom:8px}.warning.red{background:#fef3f2;color:var(--danger);border-color:#fecdca}.warning.yellow{background:#fffaeb;color:var(--yellow);border-color:#fedf89}
.image-preview{max-width:120px;max-height:90px;border:1px solid var(--line);border-radius:8px;object-fit:cover;background:white;padding:2px}.hint{font-size:13px;color:var(--muted);background:#f9fafb;padding:10px;border-radius:8px;margin-top:12px}.quote-sheet{background:#fff;padding:28px;border-radius:14px;max-width:950px;margin:0 auto}.quote-table th{width:220px}
@media(max-width:900px){
  .topbar{position:static;display:block;padding:10px 12px}.topbar nav{margin-top:8px;display:flex;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap}.topbar a,.topbar .user{flex:0 0 auto;margin-right:8px}
  .container{padding:0 10px;margin:14px auto}.form-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.title-row{display:block}.panel,.card,.login-card{padding:14px}
  table{display:block;overflow-x:auto;white-space:nowrap}th,td{font-size:13px;padding:8px}.inline-form{display:block}.inline-form input,.inline-form select,.inline-form button{width:100%;margin:6px 0}
}
@media print{.topbar,.no-print,.actions{display:none}.container{margin:0;max-width:none}.quote-sheet{box-shadow:none;border:0}}

/* V11: Chinese-safe font stack for browser print/save-as-PDF exports */
body, table, input, textarea, select, button {
  font-family: "Microsoft YaHei", "SimSun", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif;
}
@media print {
  body, table { font-family: "Microsoft YaHei", "SimSun", "Noto Sans CJK SC", "Source Han Sans SC", Arial, sans-serif; }
  .no-print, header.topbar { display: none !important; }
}

/* V11.1: prevent table inputs/text from being squeezed or cut off on quotation/detail pages. */
.table-scroll{width:100%;overflow-x:auto;overflow-y:hidden;padding-bottom:4px}
.table-scroll table{min-width:1120px}
td input,td select{min-width:120px;width:100%}
td textarea{min-width:220px}
.manager-price-table{min-width:1380px}
.manager-price-table th,.manager-price-table td{white-space:normal;vertical-align:middle}
.manager-tier-input{min-width:96px;text-align:right}
.manager-standard-input{min-width:110px;text-align:right}
.manager-comment-input{min-width:180px}
.customer-quote-table{min-width:1280px}
.quote-sheet{overflow-x:auto}
@media print{
  .table-scroll{overflow:visible;padding-bottom:0}
  .table-scroll table,.customer-quote-table{min-width:0;width:100%}
  td input,td select{min-width:0}
}

/* V11.2.3: checkbox-style multi-selects and clearer multi-file attachments */
.field-block{display:flex;flex-direction:column;gap:6px;font-weight:650;font-size:13px}
.checkbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;margin-top:6px}
.checkbox-item{display:flex;flex-direction:row;align-items:center;gap:7px;background:#f9fafb;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-weight:500;min-height:38px}
.checkbox-item input{width:auto;min-width:auto;margin:0}
.checkbox-item span{line-height:1.35}
.other-input{margin-top:8px;max-width:520px}
.file-input-stack{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.file-input-stack label{width:100%}
.file-input-stack input[type=file]{max-width:720px}
.inline-file-stack{min-width:320px}
.add-file-input{background:#f2f4f7;color:#344054;border:1px solid var(--line)}
.danger{background:#b42318!important;color:#fff!important}.small{padding:6px 9px;font-size:12px}

.other-inline{display:flex;flex-direction:column;gap:5px;margin-top:8px;font-weight:600;max-width:520px}
.other-inline input{width:100%}

/* V12.0: attachment-flow workflow design */
.workflow-summary{border-left:4px solid var(--primary)}
.workflow-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:8px;margin:10px 0 12px}
.workflow-steps span{background:#f2f4f7;border:1px solid var(--line);border-radius:999px;padding:8px 10px;text-align:center;font-weight:700;color:#344054}
.workflow-steps span.active{background:#eef4ff;border-color:#84adff;color:#1f5eff}
.stage-box{margin-top:14px;padding:12px;background:#f9fafb;border:1px dashed var(--line);border-radius:12px}
.staged-upload-form{border:1px dashed var(--line);background:#fcfcfd;border-radius:12px;padding:12px;margin:10px 0;display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.stage-upload-title{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.upload-toolbar{align-items:flex-start;background:#f9fafb;border:1px solid var(--line);border-radius:12px;padding:10px}
.upload-toolbar select{min-width:260px}

/* V12.0.1: custom searchable check-dropdown multi-select; no browser native multiple-select. */
.custom-multi-select{position:relative;width:100%;max-width:820px;margin-top:6px}
.multi-select-trigger{width:100%;min-height:42px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-start;background:#fff;color:#101828!important;border:1px solid var(--line);border-radius:10px;padding:8px 38px 8px 10px;text-align:left;position:relative}
.multi-placeholder{color:#667085;font-weight:500}
.multi-arrow{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:#667085}
.multi-selected-tags{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.selected-tag{display:inline-flex;align-items:center;background:#eef4ff;color:#1f5eff;border:1px solid #c7d7fe;border-radius:999px;padding:3px 8px;font-size:12px;font-weight:700;line-height:1.3}
.multi-select-panel{position:absolute;z-index:20;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(16,24,40,.16);padding:10px;max-height:360px;overflow:auto}
.multi-search{margin:0 0 8px 0}
.multi-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:7px}
.multi-option{display:flex;align-items:center;gap:7px;background:#f9fafb;border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-weight:500;min-height:36px;cursor:pointer}
.multi-option:hover{background:#eef4ff;border-color:#c7d7fe}
.multi-option input{width:auto;min-width:auto;margin:0}
.multi-other-wrap{display:flex;flex-direction:column;gap:5px;margin-top:10px;font-weight:600}
.multi-other-wrap input{max-width:100%}
.multi-actions{display:flex;gap:8px;margin-top:10px;justify-content:flex-end}
.secondary{background:#f2f4f7!important;color:#344054!important;border:1px solid var(--line)!important}
.readonly-note{background:#f9fafb;border:1px dashed var(--line);border-radius:10px;padding:10px;color:#667085;margin:10px 0}
.compact-section{padding:14px}
@media(max-width:900px){.multi-select-panel{position:static;margin-top:6px}.multi-options{grid-template-columns:1fr}.multi-select-trigger{padding-right:32px}}

/* V12.0.2: change reminder and merchandiser isolation */
.revision-alert{border-left:4px solid #f79009;background:#fffcf5}
.change-list{margin:8px 0 0 18px;padding:0}
.change-list li{margin:8px 0;line-height:1.45}
.change-list span{color:#344054}

/* V12.0.3: inline technical yield warning restored */
.yield-warning-inline{display:block;margin-top:6px;font-size:12px;font-weight:700}
.yield-warning-inline.yellow{color:#b54708}
.yield-warning-inline.red{color:#b42318}

/* V12.0.4: controlled revision / resubmission fields */
.revision-required-box{border:1px solid #fedf89;background:#fffaeb;border-radius:12px;padding:12px;display:grid;gap:10px}
.revision-required-box h3{margin:0;color:#b54708}
.attachment-delete-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.attachment-delete-form input{min-width:160px;width:180px;margin-top:0;font-size:12px;padding:6px}

/* V12.1.0: quotation batch can contain multiple products. */
.product-batch-section{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fbfcff;margin-top:8px}
.product-line-card{border:1px solid #d9e2f3;border-radius:14px;background:#fff;padding:12px;margin:10px 0;box-shadow:0 2px 8px rgba(16,24,40,.04)}
.product-line-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.inner-grid{margin-top:4px}
.table-wrap{overflow-x:auto;width:100%}
.product-lines-table{min-width:1100px}
.product-lines-table th,.product-lines-table td{vertical-align:top;font-size:13px}

/* V12.1.1: product-level technical assessment */
.product-tech-section{border-left:4px solid #1f5eff}
.product-tech-card{border:1px solid #d9e2f3;border-radius:14px;background:#fff;padding:14px;margin:12px 0;box-shadow:0 2px 8px rgba(16,24,40,.04)}
.product-tech-card h3{margin:0 0 8px 0;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.product-tech-card .muted{margin-top:0}