/* pb-tools.css — Builder Công Cụ · hệ thiết kế chung */
:root{
  --navy:#0E1A2D; --navy2:#16223D; --orange:#F6851D; --amber:#FBB36A;
  --paper:#FBF7F1; --card:#FFFFFF; --ink:#1E2A3F; --muted:#6B665E; --line:#E6DCCD;
  --ok:#1F7A4D; --warn:#B45309; --bad:#B42318;
  --r:10px;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* Top bar */
.pb-top{background:var(--navy);color:#F3EEE6}
.pb-top .in{max-width:1180px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.pb-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700}
.pb-brand img{width:36px;height:36px;border-radius:50%}
.pb-brand small{display:block;font-weight:400;color:#B9B2A6;font-size:12px;line-height:1.2}
.pb-top nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.pb-top nav a{text-decoration:none;font-size:14px;padding:6px 10px;border-radius:6px;color:#D9D2C6}
.pb-top nav a:hover,.pb-top nav a[aria-current]{background:var(--navy2);color:#fff}

/* Hero: brick course pattern = motif Người Kiến Tạo */
.pb-hero{background:var(--navy);color:#F7F2EA;position:relative;overflow:hidden;border-top:1px solid #1d2b45}
.pb-hero::before{content:"";position:absolute;inset:0;opacity:.14;
  background-image:
    linear-gradient(var(--orange) 2px,transparent 2px),
    linear-gradient(90deg,var(--orange) 2px,transparent 2px),
    linear-gradient(90deg,var(--orange) 2px,transparent 2px);
  background-size:100% 28px,64px 56px,64px 56px;
  background-position:0 0,0 0,32px 28px;
  -webkit-mask-image:linear-gradient(100deg,transparent 35%,#000 85%);mask-image:linear-gradient(100deg,transparent 35%,#000 85%)}
.pb-hero .in{position:relative;max-width:1180px;margin:0 auto;padding:34px 20px 30px}
.pb-crumb{font-size:13px;color:#B9B2A6;margin:0 0 8px}
.pb-crumb a{color:#E8C9A6;text-decoration:none}
.pb-hero h1{font-size:clamp(26px,4vw,38px);line-height:1.2;margin:0 0 10px;max-width:26ch;font-weight:800;letter-spacing:-.01em}
.pb-hero p{margin:0;max-width:62ch;color:#D8D1C5}

/* Layout */
.pb-wrap{max-width:1180px;margin:0 auto;padding:26px 20px 40px}
.pb-grid{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:22px;align-items:start}
.pb-grid.wide{grid-template-columns:1fr}
@media (max-width:880px){.pb-grid{grid-template-columns:1fr}}
.pb-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.pb-panel h2{font-size:18px;margin:0 0 14px}
.pb-panel h3{font-size:15px;margin:18px 0 8px}
.pb-sticky{position:sticky;top:14px}
@media (max-width:880px){.pb-sticky{position:static}}

/* Form */
.f{display:block;margin:0 0 14px}
.f>span{display:block;font-size:14px;font-weight:600;margin:0 0 5px}
.f>em{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:4px}
.f input,.f select,.f textarea,.pb-table input{width:100%;font:15px/1.4 var(--sans);color:var(--ink);background:#FFFDF9;border:1px solid #D9CDBB;border-radius:7px;padding:9px 11px}
.f textarea{min-height:92px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus,.pb-table input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(246,133,29,.18)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:480px){.row2{grid-template-columns:1fr}}
.num{font-family:var(--mono)}

/* Buttons */
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.btn{font:600 14px var(--sans);border-radius:7px;padding:9px 14px;cursor:pointer;border:1px solid var(--navy);background:var(--navy);color:#fff;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--navy2)}
.btn.o{background:var(--orange);border-color:var(--orange);color:var(--navy)}
.btn.o:hover{background:#E57612}
.btn.g{background:transparent;color:var(--navy);border-color:#CFC2AE}
.btn.g:hover{background:#F3EBDF}
.btn.sm{padding:6px 10px;font-size:13px}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 12px}
.chip{font:500 13px var(--sans);padding:5px 10px;border-radius:99px;border:1px solid #D9CDBB;background:#FFFDF9;cursor:pointer;color:var(--ink)}
.chip[aria-pressed="true"],.chip:hover{border-color:var(--orange);background:#FFF1E3}

/* Results */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px}
.kpi{border:1px solid var(--line);border-radius:8px;padding:12px 14px;background:#FFFDF9}
.kpi b{display:block;font:700 22px/1.2 var(--mono);color:var(--navy)}
.kpi span{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.kpi.hl{background:var(--navy);border-color:var(--navy)}
.kpi.hl b{color:var(--amber)} .kpi.hl span{color:#C9C1B4}
.verdict{border-left:4px solid var(--orange);background:#FFF6EC;padding:10px 14px;border-radius:0 8px 8px 0;margin:14px 0 0;font-size:14.5px}
.verdict.ok{border-color:var(--ok);background:#EEF7F1}
.verdict.bad{border-color:var(--bad);background:#FDF0EF}
.note{font-size:13px;color:var(--muted);margin:12px 0 0}
.warn{font-size:13px;color:#7A4A06;background:#FFF5E1;border:1px solid #F2D6A2;padding:8px 12px;border-radius:7px;margin:12px 0 0}
.out{white-space:pre-wrap;background:#FFFDF9;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:14.5px;margin:0 0 10px;position:relative}
.out .btn{float:right;margin:-2px -4px 6px 8px}
.mono{font-family:var(--mono);font-size:13.5px;word-break:break-all}

/* Tables */
.pb-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.pb-table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.pb-table th{background:var(--navy);color:#F3EEE6;text-align:left;font-weight:600;padding:9px 10px;white-space:nowrap}
.pb-table td{border-top:1px solid var(--line);padding:7px 10px;vertical-align:top}
.pb-table td.n,.pb-table th.n{text-align:right;font-family:var(--mono)}
.pb-table input{padding:6px 8px;font-size:14px;min-width:80px}
.pb-table tfoot td{background:#F6EFE4;font-weight:700}

/* Bars (funnel) */
.bar{margin:0 0 10px}
.bar .lb{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:4px}
.bar .tr{height:22px;background:#F1E8DA;border-radius:5px;overflow:hidden}
.bar .fl{height:100%;background:var(--navy);border-radius:5px}
.bar.weak .fl{background:var(--orange)}

/* Brick progress (checklist) */
.bricks{display:grid;grid-template-columns:repeat(20,1fr);gap:3px;margin:8px 0 4px}
.bricks i{height:14px;border-radius:2px;background:#EADFCF}
.bricks i.on{background:var(--orange)}
.bricks i:nth-child(40n+21),.bricks i:nth-child(40n+22){} 

/* Checklist */
.ck{list-style:none;margin:0;padding:0}
.ck li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;border-top:1px dashed var(--line)}
.ck li:first-child{border-top:0}
.ck input{margin-top:4px;accent-color:var(--orange);width:17px;height:17px}
.ck li.done label{color:var(--muted);text-decoration:line-through}

/* Highlight (ad words) */
mark.r{background:#FDE2DF;color:#8A1C12;border-radius:3px;padding:0 2px}
mark.a{background:#FFEBC7;color:#7A4A06;border-radius:3px;padding:0 2px}

/* Preview mocks */
.mock{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px 14px;font-size:14.5px;margin-bottom:12px}
.mock .h{display:flex;align-items:center;gap:8px;font-weight:600;margin-bottom:8px}
.mock .h i{width:30px;height:30px;border-radius:50%;background:var(--navy);display:inline-block}
.mock .more{color:#65676B;font-weight:600}
.mock.tt{background:#111;color:#fff;min-height:120px;display:flex;flex-direction:column;justify-content:flex-end}
.mock.tt .more{color:#bbb}
.lim{display:flex;justify-content:space-between;font-size:13.5px;padding:6px 0;border-top:1px dashed var(--line)}
.lim b{font-family:var(--mono)}
.lim .over{color:var(--bad)}

/* Hub cards */
.grp{margin:0 0 30px}
.grp h2{font-size:21px;margin:0 0 4px}
.grp>p{margin:0 0 14px;color:var(--muted);max-width:70ch}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{display:block;text-decoration:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;transition:border-color .15s}
.card:hover{border-color:var(--orange)}
.card b{display:block;font-size:16px;margin-bottom:4px;color:var(--navy)}
.card span{font-size:14px;color:var(--muted)}
.search{max-width:520px;margin:18px 0 0}
.search input{width:100%;font:16px var(--sans);padding:12px 14px;border-radius:8px;border:1px solid #33425E;background:#16223D;color:#fff}
.search input::placeholder{color:#8F98A8}

/* Related + CTA + footer */
.pb-rel{max-width:1180px;margin:0 auto;padding:0 20px 30px}
.pb-rel h2{font-size:18px;margin:0 0 12px}
.pb-cta{max-width:1180px;margin:0 auto 34px;padding:0 20px}
.pb-cta .in{background:var(--navy);color:#F3EEE6;border-radius:var(--r);padding:22px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.pb-cta p{margin:0;flex:1 1 320px}
.pb-cta b{color:#fff}
.pb-foot{background:var(--navy);color:#B9B2A6;font-size:14px}
.pb-foot .in{max-width:1180px;margin:0 auto;padding:22px 20px;display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between}
.pb-foot b{color:#F3EEE6}
.pb-foot a{color:#E8C9A6}

.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:8px 14px;border-radius:7px;font-size:14px;z-index:9998;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}

/* Print (template → PDF) */
@media print{
  .pb-top,.pb-hero::before,.pb-rel,.pb-cta,.pb-foot,.btns,.noprint,.pb-consent,.chips{display:none!important}
  body{background:#fff;font-size:12.5px}
  .pb-hero{background:#fff;color:#000;border-bottom:2px solid #000}
  .pb-hero p{color:#333}.pb-crumb{display:none}
  .pb-panel{border:1px solid #bbb;break-inside:avoid}
  .f input,.f textarea,.f select,.pb-table input{border:0;border-bottom:1px solid #999;border-radius:0;background:#fff;padding:3px 0}
  .pb-grid{grid-template-columns:1fr}
  .pb-table th{background:#eee;color:#000}
}