/* PrimeCall Knowledge Base v1 */
:root{
  --navy:#0e2a47;--navy2:#123a63;--blue:#1f6fd6;--blue-soft:#e8f1fc;
  --ink:#1c2733;--muted:#5b6b7c;--line:#e3e9f0;--bg:#f6f8fb;--card:#ffffff;
  --ok:#0f9d58;--warn:#b26a00;--radius:12px;
  --shadow:0 1px 2px rgba(16,38,66,.06),0 8px 24px rgba(16,38,66,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* Header */
.kb-header{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;box-shadow:0 2px 10px rgba(9,24,44,.25)}
.kb-header-in{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 20px}
.kb-logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;white-space:nowrap}
.kb-logo:hover{text-decoration:none}
.kb-logo .dot{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#2f7de1,#63b3ff);display:flex;align-items:center;justify-content:center;font-size:17px;flex:none}
.kb-logo small{display:block;font-weight:400;font-size:11.5px;opacity:.75;letter-spacing:.4px}
.kb-search{position:relative;flex:1;max-width:520px;margin-left:auto}
.kb-search input{width:100%;padding:10px 14px 10px 38px;border-radius:9px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:#fff;font-size:14.5px;outline:none;transition:.15s}
.kb-search input::placeholder{color:rgba(255,255,255,.65)}
.kb-search input:focus{background:#fff;color:var(--ink)}
.kb-search input:focus::placeholder{color:#8aa}
.kb-search .mag{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.75;pointer-events:none}
.kb-search input:focus~.mag{filter:invert(.5)}
.sr-results{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;color:var(--ink);border-radius:10px;box-shadow:0 12px 40px rgba(9,24,44,.28);max-height:60vh;overflow:auto;display:none;border:1px solid var(--line)}
.sr-results.open{display:block}
.sr-item{display:block;padding:10px 14px;border-bottom:1px solid var(--line)}
.sr-item:last-child{border-bottom:0}
.sr-item:hover,.sr-item.sel{background:var(--blue-soft);text-decoration:none}
.sr-item b{display:block;font-size:14.5px;color:var(--navy)}
.sr-item span{font-size:12.5px;color:var(--muted)}
.sr-empty{padding:14px;font-size:14px;color:var(--muted)}
.kb-support{color:#cfe2fa;font-size:13px;white-space:nowrap}
.kb-support a{color:#fff;font-weight:600}

/* Layout */
.kb-wrap{max-width:1200px;margin:0 auto;padding:26px 20px 60px;display:flex;gap:34px;align-items:flex-start}
.kb-side{width:262px;flex:none;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow:auto;padding-right:4px}
.kb-side h4{margin:18px 0 6px;font-size:11.5px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted)}
.kb-side h4:first-child{margin-top:2px}
.kb-side a{display:block;padding:6px 10px;border-radius:7px;color:#38495c;font-size:14px;line-height:1.35}
.kb-side a:hover{background:#eaf0f7;text-decoration:none}
.kb-side a.on{background:var(--blue-soft);color:var(--blue);font-weight:600}
.kb-main{flex:1;min-width:0}

/* Article */
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:38px 44px 46px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--blue)}
.article h1{margin:0 0 6px;font-size:30px;line-height:1.25;color:var(--navy);letter-spacing:-.3px}
.lede{font-size:16.5px;color:var(--muted);margin:0 0 8px}
.article h2{margin:34px 0 12px;padding-top:20px;border-top:1px solid var(--line);font-size:21px;color:var(--navy);letter-spacing:-.2px}
.article h3{margin:22px 0 8px;font-size:16.5px;color:var(--navy)}
.article ol,.article ul{padding-left:24px;margin:10px 0}
.article li{margin:5px 0}
.article li>ul,.article li>ol{margin:4px 0}
code,.kbd{background:#eef2f7;border:1px solid #dde5ee;border-radius:6px;padding:1px 7px;font-family:ui-monospace,Consolas,monospace;font-size:14px;color:#153a63;white-space:nowrap}

/* Callouts */
.note,.tip,.warn{border-radius:10px;padding:13px 16px;margin:16px 0;font-size:14.5px;border:1px solid;display:flow-root}
.note{background:#eef4fd;border-color:#c9ddf6;color:#1c3d63}
.tip{background:#ecf8f0;border-color:#c4e8d1;color:#14522c}
.warn{background:#fdf3e5;border-color:#f2ddb8;color:#6b4a09}
.note b,.tip b,.warn b{display:inline-block;margin-right:4px}

/* Tables */
.tbl-scroll{overflow-x:auto;margin:14px 0;border:1px solid var(--line);border-radius:10px}
table.kb{border-collapse:collapse;width:100%;font-size:14px;background:#fff}
table.kb th{background:#f0f4f9;color:var(--navy);text-align:left;padding:9px 12px;font-size:13px;letter-spacing:.3px;border-bottom:2px solid var(--line);white-space:nowrap}
table.kb td{padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}
table.kb tr:last-child td{border-bottom:0}
table.kb tr:nth-child(even) td{background:#fafcfe}

/* In-page TOC */
.mini-toc{background:#f4f7fb;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:20px 0 6px;font-size:14px}
.mini-toc b{display:block;margin-bottom:6px;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.mini-toc a{display:inline-block;margin:3px 14px 3px 0}

/* Home */
.hero{background:linear-gradient(140deg,var(--navy) 0%,var(--navy2) 55%,#1b5fa8 100%);color:#fff;padding:64px 20px 74px;text-align:center}
.hero h1{margin:0 0 10px;font-size:clamp(26px,4.5vw,40px);letter-spacing:-.5px}
.hero p{margin:0 auto 28px;max-width:640px;color:#cfe0f5;font-size:17px}
.hero .kb-search{margin:0 auto;max-width:640px}
.hero .kb-search input{padding:15px 18px 15px 46px;font-size:16px;background:#fff;color:var(--ink);border:0;box-shadow:0 10px 34px rgba(6,18,36,.35)}
.hero .kb-search .mag{filter:invert(.5)}
.hero .quick{margin-top:16px;font-size:13.5px;color:#a9c6e8}
.hero .quick a{color:#fff;text-decoration:underline;text-underline-offset:3px;margin:0 6px}
.home-wrap{max-width:1200px;margin:-34px auto 0;padding:0 20px 70px}
.cat-title{margin:44px 4px 14px;font-size:20px;color:var(--navy);display:flex;align-items:center;gap:10px}
.cat-title span.badge{font-size:11.5px;font-weight:600;letter-spacing:.6px;background:var(--blue-soft);color:var(--blue);padding:3px 10px;border-radius:99px;text-transform:uppercase}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:block;color:var(--ink);transition:.15s;position:relative}
.card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 24px rgba(16,38,66,.13);border-color:#c8d8ec}
.card .ic{width:40px;height:40px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.card b{display:block;font-size:15.5px;color:var(--navy);margin-bottom:5px}
.card span{font-size:13.5px;color:var(--muted);line-height:1.5;display:block}

/* Footer */
.kb-foot{border-top:1px solid var(--line);background:#fff;padding:26px 20px;text-align:center;font-size:13.5px;color:var(--muted)}
.kb-foot a{color:var(--blue)}

/* Next/prev + meta */
.art-foot{margin-top:38px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:14px;flex-wrap:wrap}
.back-top{font-size:13px}

@media (max-width:920px){
  .kb-side{display:none}
  .article{padding:26px 22px 34px}
  .kb-support{display:none}
  .kb-header-in{gap:10px}
}
@media print{
  .kb-header,.kb-side,.kb-foot,.art-foot,.mini-toc{display:none}
  .article{border:0;box-shadow:none;padding:0}
  body{background:#fff}
}