/* DbDen — D10 dashboard theme. Light, top-nav, KPI cards, sticky filter bar. */
:root{
  --bg:#f4f6fa;
  --surface:#ffffff;
  --surface-2:#eef2f7;
  --ink:#101828;
  --muted:#5b6b82;
  --line:#dfe6ef;
  --brand:#1d4ed8;
  --brand-soft:#e8effe;
  --teal:#0e7c6b;
  --teal-soft:#e3f4f0;
  --amber:#b45309;
  --amber-soft:#fdf0dc;
  --violet:#6d28d9;
  --violet-soft:#f1eafd;
  --ok:#047857;
  --radius:12px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
a{color:var(--brand)}
code{font-family:var(--mono);background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:.88em}

/* ---------- top nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.25rem;letter-spacing:-.02em}
.brand svg{width:34px;height:34px}
.brand em{font-style:normal;color:var(--brand)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:.92rem;font-weight:500}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.nav a.cta{background:var(--brand);color:#fff;font-weight:600}
.nav a.cta:hover{background:#1e40af}

/* ---------- hero ---------- */
.hero{padding:44px 0 8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);background:var(--teal-soft);border:1px solid #bfe3da;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--teal)}
.hero h1{font-size:2.5rem;line-height:1.12;letter-spacing:-.025em;margin:0 0 12px;max-width:820px}
.hero .lede{font-size:1.1rem;color:var(--muted);max-width:760px;margin:0 0 18px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:6px}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:600;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 13px;color:var(--muted)}
.chip svg{width:14px;height:14px}
.chip.green{color:var(--ok);border-color:#a7e3c8;background:#eefaf4}

/* ---------- KPI grid ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 30px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px 12px;display:flex;flex-direction:column;gap:4px}
.kpi .k-label{font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.kpi .k-value{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi .k-sub{font-size:.8rem;color:var(--muted)}
.kpi .spark{margin-top:auto}
.kpi .spark svg{display:block;width:100%;height:34px}
.kpi.k1 .k-value{color:var(--brand)}
.kpi.k2 .k-value{color:var(--teal)}
.kpi.k3 .k-value{color:var(--violet)}
.kpi.k4 .k-value{color:var(--amber)}

/* ---------- tool panel ---------- */
.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(16,24,40,.06);margin-bottom:28px}
.tool-head{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.tool-head .led{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px #d3efe2}
.tool-head strong{font-size:.95rem}
.tool-head .sess{margin-left:auto;font-family:var(--mono);font-size:.78rem;color:var(--muted)}

/* sticky filter bar */
.filters{position:sticky;top:64px;z-index:40;background:var(--surface);border-bottom:1px solid var(--line);padding:14px 20px;display:grid;grid-template-columns:repeat(2,1fr);gap:14px 20px}
.filters.sticky-shadow{box-shadow:0 8px 18px rgba(16,24,40,.07)}
.f-group{display:flex;flex-direction:column;gap:7px}
.f-group > label,.f-legend{font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:8px;padding:7px 12px;font-size:.86rem;font-weight:600;cursor:pointer;font-family:var(--sans)}
.seg button[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:#fff}
.seg button:hover{border-color:var(--brand);color:var(--brand)}
.seg button[aria-pressed="true"]:hover{color:#fff}
.f-row{display:flex;align-items:center;gap:10px}
input[type="range"]{flex:1;accent-color:var(--brand)}
.num{width:64px;border:1px solid var(--line);border-radius:8px;padding:7px 8px;font-family:var(--mono);font-size:.9rem;text-align:center}
.seed{border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:.9rem;width:100%;font-family:var(--mono)}
.seed::placeholder{color:#9aa7bb}
.count-val{font-family:var(--mono);font-weight:700;font-size:1.05rem;min-width:34px;text-align:center}
.check{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;cursor:pointer}
.check input{width:17px;height:17px;accent-color:var(--teal)}
.generate-row{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.btn{border:none;border-radius:10px;padding:12px 26px;font-size:1rem;font-weight:700;cursor:pointer;font-family:var(--sans)}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:#1e40af}
.btn.ghost{background:var(--surface);border:1px solid var(--line);color:var(--ink);font-size:.9rem;padding:10px 18px}
.btn.ghost:hover:not(:disabled){border-color:var(--brand);color:var(--brand)}
.btn.ghost:disabled{opacity:.45;cursor:not-allowed}
.hint{font-size:.82rem;color:var(--muted)}

/* output */
.output-body{padding:20px}
.output-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap}
#outputMeta{font-family:var(--mono);font-size:.8rem;color:var(--muted);flex:1;min-width:200px}
.output-actions{display:flex;gap:8px}
#copyNote{font-size:.82rem;color:var(--ok);font-weight:600;min-height:20px}
.name-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.name-list li{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-family:var(--mono);font-size:.88rem;cursor:pointer;background:var(--surface);transition:border-color .15s,background .15s;overflow:hidden}
.name-list li:hover{border-color:var(--brand);background:var(--brand-soft)}
.name-list .idx{color:var(--muted);font-size:.75rem;min-width:26px}
.name-list .val{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.name-list .mini{font-family:var(--sans);font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand);opacity:0;transition:opacity .15s}
.name-list li:hover .mini{opacity:1}
.placeholder{text-align:center;color:var(--muted);padding:44px 20px;border:1px dashed var(--line);border-radius:10px}
.placeholder svg{width:40px;height:40px;margin-bottom:10px;opacity:.5}

/* limits box */
.limits{margin:0 20px 20px;border:1px solid #f0d9a8;background:#fffaf0;border-radius:10px;padding:14px 18px;font-size:.86rem;color:#7c5a17}
.limits strong{color:#7c5a17}
.limits ul{margin:8px 0 0;padding-left:18px}

/* ---------- content sections ---------- */
.content{padding:26px 0}
.content h2{font-size:1.6rem;letter-spacing:-.02em;margin:26px 0 12px}
.content h3{font-size:1.15rem;margin:22px 0 8px}
.content p{color:#26334a;max-width:78ch}
.content ul,.content ol{color:#26334a;max-width:78ch}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.card-grid .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card-grid .card h3{margin:0 0 8px;font-size:1.02rem}
.card-grid .card p{font-size:.9rem;color:var(--muted);margin:0 0 10px}
.card-grid .card a{font-weight:600;font-size:.9rem;text-decoration:none}

/* data-table faq motif */
.data-table{width:100%;border-collapse:collapse;margin:16px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.93rem}
.data-table th{background:var(--surface-2);text-align:left;padding:10px 14px;font-size:.76rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.data-table td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
.data-table td.q{font-weight:700;white-space:nowrap}
.data-table code{white-space:nowrap}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);background:var(--surface);margin-top:40px;padding:36px 0 24px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px;margin-bottom:22px}
.foot-brand p{color:var(--muted);font-size:.9rem;max-width:340px}
.foot-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}
.foot-col a{display:block;color:var(--ink);text-decoration:none;font-size:.92rem;padding:3px 0}
.foot-col a:hover{color:var(--brand)}
.foot-base{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:16px;font-size:.8rem;color:var(--muted)}

/* article pages */
.article{max-width:820px;margin:0 auto;padding:36px 20px}
.article h1{font-size:2.1rem;letter-spacing:-.025em;margin:0 0 10px}
.article .lede{color:var(--muted);font-size:1.06rem;margin-bottom:22px}
.article h2{font-size:1.45rem;margin:30px 0 10px;letter-spacing:-.015em}
.article h3{font-size:1.12rem;margin:22px 0 8px}
.article p,.article li{color:#26334a}
.article .back{display:inline-block;margin-bottom:18px;font-size:.88rem;text-decoration:none}
.related{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-top:30px}
.related h3{margin:0 0 8px}
.related ul{margin:0;padding-left:18px}
.notfound{text-align:center;padding:80px 20px}
.notfound h1{font-size:3rem;margin:0 0 10px}

@media (max-width:860px){
  .kpis{grid-template-columns:repeat(2,1fr)}
  .filters{grid-template-columns:1fr}
  .name-list{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
  .nav a:not(.cta){display:none}
}