:root{--brand:#0f5c4a;--brand-dark:#0a4337;--bg:#f5f7f8;--border:#dfe5e8;--text:#1f2937;--muted:#64748b;--danger:#b42318}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}.container{width:min(1180px,calc(100% - 28px));margin:0 auto}
.topbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}.topbar-inner{min-height:62px;display:flex;align-items:center;gap:18px;justify-content:space-between}
.brand{font-weight:700;color:var(--brand-dark)}.nav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 2px 10px rgba(15,23,42,.04)}.card+.card{margin-top:16px}
.page-title{margin:24px 0 16px}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
label{display:block;font-weight:600;margin-bottom:6px}input,select,textarea{width:100%;border:1px solid #cfd8dc;border-radius:9px;padding:10px 12px;font:inherit;background:#fff}textarea{min-height:100px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(15,92,74,.15);border-color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:9px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer;background:#eef2f4;color:#1f2937}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-outline{background:#fff;border-color:var(--border)}.btn-danger{background:#fff0f0;color:var(--danger);border-color:#f3cccc}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.table-wrap{overflow:auto}table.data{width:100%;border-collapse:collapse;background:#fff}table.data th,table.data td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}table.data th{background:#f8fafc;white-space:nowrap}
.badge{display:inline-block;padding:4px 9px;border-radius:99px;background:#eef2f4;font-size:12px;font-weight:700}.badge-submitted{background:#e8f1ff;color:#1d4ed8}.badge-approved{background:#e9f9ef;color:#157347}.badge-reopened{background:#fff5df;color:#8a5a00}.badge-draft{background:#f1f5f9;color:#475569}
.alert{padding:12px 14px;border-radius:10px;margin:14px 0}.alert-success{background:#eaf7ef;color:#146c43;border:1px solid #cbe9d5}.alert-danger{background:#fff0f0;color:#a61b1b;border:1px solid #f0c7c7}
.help{color:var(--muted);font-size:13px;margin-top:4px}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(460px,100%)}.auth-title{margin-top:0}
.metric{font-size:28px;font-weight:800;color:var(--brand-dark)}.metric-label{color:var(--muted);font-size:13px}.section-title{margin:0 0 14px;font-size:18px}.product-card{border:1px solid var(--border);border-radius:12px;padding:14px;background:#fbfcfd;margin-bottom:12px}
.sticky-actions{position:sticky;bottom:0;padding:12px 0;background:linear-gradient(transparent,var(--bg) 25%)}.autocomplete{position:relative}.suggestions{position:absolute;left:0;right:0;top:100%;z-index:30;background:#fff;border:1px solid var(--border);border-radius:9px;box-shadow:0 8px 22px rgba(0,0,0,.12);max-height:260px;overflow:auto}.suggestion{padding:9px 11px;cursor:pointer;border-bottom:1px solid #eef2f4}.suggestion:hover{background:#f4f8f7}
@media(max-width:760px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.container{width:min(100% - 18px,1180px)}.card{padding:14px;border-radius:11px}.topbar-inner{align-items:flex-start;padding:10px 0}.nav{justify-content:flex-end}}

/* Điện thoại/Fax theo đúng bố cục biểu mẫu điều tra */
.survey-contact-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:10px;background:#fff;padding:10px;max-width:780px}
.survey-contact-grid{display:grid;grid-template-columns:minmax(235px,1fr) auto auto;align-items:end;min-width:690px}
.survey-contact-row{font-family:"Times New Roman",Times,serif}.survey-contact-row+.survey-contact-row{margin-top:8px}.survey-contact-label{padding:0 10px 8px 4px;font-size:16px}
.contact-field{padding:0 14px}.contact-field-title{text-align:center;font-style:italic;font-size:15px;margin-bottom:5px;white-space:nowrap}
.digit-group{display:flex;gap:0;padding:0;white-space:nowrap}.contact-digit{width:34px;height:36px;min-width:34px;border:1px solid #263238;border-radius:0;padding:0;text-align:center;font-family:"Times New Roman",Times,serif;font-size:18px;margin-left:-1px}.contact-digit:first-of-type{margin-left:0}.contact-digit:focus{position:relative;z-index:2;outline:2px solid rgba(15,92,74,.2);border-color:var(--brand)}
.survey-capacity-input td:first-child{width:280px;min-width:230px}.survey-capacity-input .metric-unit{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:2px}.survey-capacity-input input[data-number-format]{text-align:right;font-variant-numeric:tabular-nums}.number-format-note{margin-top:7px;color:var(--muted);font-size:12.5px}
@media(max-width:760px){.survey-contact-wrap{max-width:100%}.survey-contact-grid{min-width:650px;grid-template-columns:minmax(215px,1fr) auto auto}.contact-field{padding-left:8px;padding-right:8px}.contact-digit{width:31px;min-width:31px;height:34px}.survey-capacity-input td:first-child{min-width:210px}}