:root{--brand:#0f5c4a;--brand-dark:#0a4337;--bg:#f5f7f8;--border:#dfe5e8;--text:#1f2937;--muted:#64748b;--danger:#b42318}
*{box-sizing:border-box}html{overflow-x:hidden}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}
.req{color:var(--danger);font-weight:700}
.topbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20;box-shadow:0 1px 3px rgba(15,23,42,.04)}.topbar-inner{min-height:64px;display:flex;align-items:center;gap:18px;justify-content:space-between}
.brand{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--brand-dark)}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav a{padding:9px 14px;border-radius:9px;color:var(--text);font-weight:600;font-size:14.5px;text-decoration:none;transition:background .15s ease,color .15s ease}
.nav a:hover{background:#eef2f4;color:var(--brand-dark)}
.nav a.active{background:var(--brand);color:#fff}
.nav-phone{padding:8px 12px;border-radius:9px;background:#f1f5f9;color:var(--muted);font-size:13.5px;font-weight:600;white-space:nowrap}
.nav form{margin:0;display:inline-flex}
.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}
.auth-divider{width:56px;height:3px;background:var(--brand);border-radius:3px;margin:0 auto 24px}
.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{flex-direction:column;align-items:stretch;gap:8px;padding:10px 0;min-height:0}
.brand{text-align:center;font-size:15px}
.nav{justify-content:center;gap:6px 8px;width:100%}
.nav a{padding:7px 10px;font-size:13.5px}
.nav-phone{padding:6px 10px;font-size:13px}
.btn{padding:11px 14px;min-height:44px}
.actions{gap:8px}
input,select,textarea{font-size:16px;padding:11px 12px}
table.data{font-size:13px}
table.data th,table.data td{padding:8px 6px}
.page-title h1{font-size:19px}
.metric{font-size:24px}
}
@media(max-width:420px){
.container{width:min(100% - 14px,1180px)}
.card{padding:12px}
}

/* 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}}
@media(max-width:480px){
.survey-contact-wrap{overflow-x:visible;padding:10px 8px}
.survey-contact-grid{display:block;min-width:0}
.survey-contact-row+.survey-contact-row{margin-top:12px}
.survey-contact-label{padding:0 0 6px;font-size:14px}
.contact-field{padding:0 0 10px}
.contact-field:last-child{padding-bottom:0}
.contact-field-title{text-align:left;font-size:13px}
.digit-group{flex-wrap:wrap;gap:0}
.contact-digit{width:28px;min-width:28px;height:32px;font-size:15px}
.grid-2,.grid-3,.grid-4{gap:12px}
.product-card .grid-3{gap:10px}
.autocomplete .suggestions{max-height:200px}
}
@media(max-width:600px){
.survey-capacity-input,.survey-capacity-input thead,.survey-capacity-input tbody,.survey-capacity-input tr,.survey-capacity-input th,.survey-capacity-input td{display:block;width:100%}
.survey-capacity-input thead{position:absolute;left:-9999px}
.survey-capacity-input tr{margin-bottom:12px;border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:#fff}
.survey-capacity-input tr:last-child{margin-bottom:0}
.survey-capacity-input td{border:0;padding:8px 0}
.survey-capacity-input td:first-child{padding:0 0 10px;min-width:0;border-bottom:1px solid var(--border);margin-bottom:8px}
.survey-capacity-input td:not(:first-child):before{content:attr(data-label);display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
.survey-capacity-input input[data-number-format]{text-align:left;font-size:16px;padding:12px;min-height:46px}
.capacity-table-wrap{overflow:visible}
}

/* Trang hướng dẫn điền phiếu */
.guide-toc{display:flex;gap:8px 20px;flex-wrap:wrap;margin-bottom:16px;padding:14px 18px}
.guide-toc a{font-weight:700}
.guide-steps{position:relative}
.guide-step{display:flex;gap:16px;position:relative;padding-bottom:28px}
.guide-step:last-child{padding-bottom:0}
.guide-step:not(:last-child):before{content:"";position:absolute;left:17px;top:38px;bottom:0;width:2px;background:var(--border)}
.guide-step-num{flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;position:relative;z-index:1}
.guide-step-body{min-width:0;flex:1 1 auto}
.guide-step-body h3{margin:2px 0 6px}
.guide-step-body p{margin:0 0 10px;line-height:1.55}
.guide-example{margin-top:8px;padding:12px 14px;border:1px dashed var(--border);border-radius:10px;background:#fafcfb;overflow-x:auto}
.guide-example-label{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:8px}
.guide-field-block{margin-bottom:22px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.guide-field-block:last-child{margin-bottom:0;padding-bottom:0;border-bottom:0}
.guide-field-block h3{margin:0 0 8px}
.guide-list{margin:0 0 10px;padding-left:20px;line-height:1.6}
.guide-list li{margin-bottom:6px}
.guide-example code,.guide-list code,.guide-field-block code{background:#eef2f4;padding:1px 6px;border-radius:5px;font-size:.92em}
.guide-browser{margin-top:10px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 4px 16px rgba(15,23,42,.06)}
.guide-browser-bar{display:flex;align-items:center;gap:6px;padding:9px 12px;background:#eef2f4;border-bottom:1px solid var(--border)}
.guide-browser-dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.guide-browser-dot:nth-child(1){background:#ff5f57}.guide-browser-dot:nth-child(2){background:#febc2e}.guide-browser-dot:nth-child(3){background:#28c840}
.guide-browser-url{margin-left:8px;padding:3px 10px;background:#fff;border:1px solid var(--border);border-radius:6px;font-size:11.5px;color:var(--muted);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.guide-browser-body{padding:16px;overflow-x:auto}
.guide-mini-topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:0 0 12px;margin-bottom:14px;border-bottom:1px solid var(--border);font-size:12px;flex-wrap:wrap}
.guide-mini-topbar strong{color:var(--brand-dark)}
.guide-mini-topbar span{color:var(--muted);white-space:nowrap}
.guide-highlight{outline:2.5px solid #f5a524;outline-offset:2px;border-radius:8px;box-shadow:0 0 0 5px rgba(245,165,36,.18)}
@media(max-width:600px){
.guide-step{gap:12px}
.guide-step-num{width:30px;height:30px;font-size:14px}
.guide-step:not(:last-child):before{left:14px;top:32px}
.guide-toc{padding:12px 14px;gap:6px 16px}
.guide-browser-body{padding:12px}
.guide-mini-topbar{font-size:11px}
}