:root{
  --bg:#f4f6f8;--card:#fff;--text:#17202a;--muted:#667085;--border:#dfe3e8;
  --dark:#101828;--soft:#f8fafc;--accent:#2563eb;--accent-soft:#eff6ff;
  --danger:#b42318;--warn:#8a5b00
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:inherit;text-decoration:none}button,input,select{font:inherit}
.sitebar{background:#0f172a;color:#fff}.sitebar-inner{width:min(100% - 24px,1100px);margin:auto;display:flex;justify-content:space-between;align-items:center;padding:14px 0;gap:20px}
.brand{font-weight:900}.brand span{color:#93c5fd}.nav{display:flex;gap:10px;flex-wrap:wrap}.nav a{font-size:.82rem;color:#cbd5e1}.nav a:hover{color:#fff}
.container{width:min(100% - 24px,1000px);margin:0 auto;padding:38px 0 32px}
.hero{text-align:center;margin-bottom:24px}.eyebrow{display:inline-block;padding:6px 10px;border-radius:999px;background:#e9edf2;color:#475467;font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.hero h1{margin:10px 0 0;font-size:clamp(2.2rem,7vw,3.8rem);line-height:1;letter-spacing:-.045em}.hero p{max-width:680px;margin:12px auto 0;color:var(--muted)}
.card{margin-top:18px;padding:22px;background:var(--card);border:1px solid rgba(16,24,40,.06);border-radius:20px;box-shadow:0 10px 30px rgba(16,24,40,.07)}
.grid{display:grid;grid-template-columns:1fr;gap:14px}.tool-grid{display:grid;grid-template-columns:1fr;gap:14px}
.tool-card{padding:20px;border:1px solid var(--border);border-radius:16px;background:var(--card);transition:.15s transform,.15s box-shadow}.tool-card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,24,40,.08)}
.tool-card h2{margin:0;font-size:1.08rem}.tool-card p{margin:7px 0 0;color:var(--muted);font-size:.9rem}.tag{display:inline-block;margin-top:12px;padding:5px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.72rem;font-weight:800}
label{display:block;margin-bottom:7px;font-weight:800;font-size:.9rem}.optional{color:var(--muted);font-weight:500}
input,select{width:100%;min-height:50px;padding:11px 13px;border:1px solid var(--border);border-radius:11px;background:#fff;color:var(--text)}
input:focus,select:focus{outline:none;border-color:#98a2b3;box-shadow:0 0 0 4px rgba(152,162,179,.16)}
.primary,.secondary,.copy{border:0;border-radius:11px;cursor:pointer;font-weight:850}.primary{width:100%;min-height:54px;background:var(--dark);color:#fff}.secondary{min-height:46px;padding:0 16px;background:#eef2f6}.copy{padding:8px 12px;background:#eef2f6;color:var(--accent)}
.output-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.output-head h2{margin:0}.output-head p{margin:3px 0 0;color:var(--muted);font-size:.85rem}
pre{overflow:auto;margin:14px 0 0;padding:17px;border-radius:14px;background:#0b1220;color:#e6edf3;border:1px solid #172033}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
.result-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}.result{padding:14px;border:1px solid var(--border);border-radius:12px;background:var(--soft)}.result span{display:block;color:var(--muted);font-size:.75rem;font-weight:800;text-transform:uppercase}.result strong{display:block;margin-top:4px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;overflow-wrap:anywhere}
.checkbox-grid{display:grid;grid-template-columns:1fr;gap:9px}.check{position:relative}.check input{position:absolute;opacity:0}.check label{display:block;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--soft);cursor:pointer}.check input:checked+label{border-color:var(--accent);background:var(--accent-soft)}
.error,.warning,.note{margin-top:14px;padding:12px 14px;border-radius:10px;font-size:.88rem}.error{background:#fff1f0;color:var(--danger);font-weight:750}.warning{background:#fff8e6;color:var(--warn)}.note{background:#eef6ff;color:#35547a}.hidden{display:none!important}
table{width:100%;border-collapse:collapse}th,td{padding:9px 10px;border-bottom:1px solid var(--border);text-align:left;font-size:.86rem}th{color:var(--muted);font-size:.74rem;text-transform:uppercase}.table-wrap{overflow:auto}
footer{padding:28px 0 0;text-align:center;color:var(--muted);font-size:.78rem}
@media(min-width:680px){.grid{grid-template-columns:repeat(2,1fr)}.tool-grid{grid-template-columns:repeat(2,1fr)}.result-grid{grid-template-columns:repeat(2,1fr)}.checkbox-grid{grid-template-columns:repeat(2,1fr)}.card{padding:28px}}
@media(min-width:900px){.tool-grid{grid-template-columns:repeat(3,1fr)}.result-grid.four{grid-template-columns:repeat(4,1fr)}}

.builder-grid{display:grid;grid-template-columns:1fr;gap:14px}
.inline-check{display:flex;align-items:center;gap:8px;margin-top:8px}
.inline-check input{width:auto;min-height:auto}
.small{font-size:.82rem;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{padding:6px 9px;border-radius:999px;background:#eef2f6;font-size:.78rem;font-weight:800}
.command-list pre+pre{margin-top:10px}
@media(min-width:760px){.builder-grid{grid-template-columns:repeat(2,1fr)}}

.topic-section{margin-top:28px}
.topic-section h2{margin:0 0 6px;font-size:1.35rem}
.topic-section>p{margin:0 0 14px;color:var(--muted);font-size:.9rem}
.topic-label{display:inline-block;margin-bottom:8px;padding:5px 9px;border-radius:999px;background:#e9edf2;color:#475467;font-size:.72rem;font-weight:900;text-transform:uppercase;letter-spacing:.06em}
.nav-grouped{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.nav-grouped a{font-size:.8rem;color:#cbd5e1}
.nav-grouped a:hover{color:#fff}