:root{--ink:#1c1917;--muted:#78716c;--line:#e7e5e4;--bg:#fafaf9;--card:#fff;--accent:#2563eb;--ok:#15803d;--bad:#b91c1c}
*{box-sizing:border-box}
body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--accent)}
.wrap{max-width:960px;margin:0 auto;padding:0 16px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-head{background:var(--card);border-bottom:1px solid var(--line);padding:14px 0}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
.site-foot{border-top:1px solid var(--line);margin-top:64px;padding:20px 0;font-size:14px}
main{padding-top:32px}
.hero{padding:48px 0;text-align:center}
.hero h1{font-size:clamp(28px,5vw,44px);margin:0 0 12px}
.lead{font-size:19px;max-width:560px;margin:0 auto 12px}
.muted{color:var(--muted)}.ok{color:var(--ok)}.bad{color:var(--bad)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;margin:16px 0}
.narrow{max-width:420px;margin:40px auto}
label{display:block;margin:12px 0;font-weight:600;font-size:14px}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid #d6d3d1;border-radius:8px;font:inherit;background:#fff}
.btn{display:inline-block;background:var(--ink);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;cursor:pointer;text-decoration:none}
.link{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:0 0 0 8px}
form.inline{display:flex;align-items:center;gap:4px;font-size:14px}
.flash{background:#ecfdf5;border:1px solid #a7f3d0;padding:10px 14px;border-radius:8px}
table.kv th{text-align:left;padding:4px 16px 4px 0;color:var(--muted);font-weight:500}
.admin-nav{background:var(--card);border-bottom:1px solid var(--line)}
.admin-nav .wrap{display:flex;gap:20px;padding-top:10px;padding-bottom:10px;font-size:15px}
.admin-nav a{text-decoration:none}
.qcard h2{font-size:17px;margin:0 0 8px}
.grid2{display:grid;grid-template-columns:1fr 120px;gap:12px}
table.opts{width:100%;border-collapse:collapse;margin-top:8px}
table.opts th{text-align:left;font-size:13px;color:var(--muted);font-weight:500;padding:4px}
table.opts td{padding:4px;vertical-align:top}
table.opts input,table.opts select{margin:0}
.tag-fit{color:var(--ok)}.tag-caution{color:#b45309}.tag-outside{color:var(--bad)}
.btn-row{display:flex;gap:8px;align-items:center;margin-top:12px;flex-wrap:wrap}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:none;color:var(--bad);border:1px solid #fecaca}
.result-box{padding:14px;border-radius:8px;margin-top:12px}
.result-fits{background:#ecfdf5}.result-caution{background:#fffbeb}.result-too_complex{background:#fef2f2}
.inline-check{display:flex;align-items:center;gap:6px;font-weight:600;font-size:14px;margin:12px 0}
.inline-check input{width:auto;margin:0}
@media (max-width:640px){.grid2{grid-template-columns:1fr}table.opts thead{display:none}table.opts tr{display:block;border-top:1px solid var(--line);padding:6px 0}table.opts td{display:block}}
.btn-lg{font-size:18px;padding:14px 26px}
.check{max-width:640px;margin:0 auto}
.check h1{font-size:clamp(26px,4vw,34px);margin:0 0 6px}
.progress{height:6px;background:var(--line);border-radius:3px;margin:24px 0 8px;overflow:hidden;display:none}
.js .progress{display:block}
.progress-bar{height:100%;width:0;background:var(--accent);transition:width .25s}
.step-count{font-size:14px;margin:0 0 8px;display:none}
.js .step-count{display:block}
fieldset.q{border:0;padding:0;margin:0 0 32px}
fieldset.q legend{font-size:21px;font-weight:700;margin-bottom:8px;line-height:1.35}
.js .qnum{display:none}
.help{color:var(--muted);margin:0 0 12px}
.answers{display:grid;gap:10px;margin-top:8px}
.sr{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.answer{display:block;margin:0;padding:16px 18px;border:2px solid var(--line);border-radius:12px;background:var(--card);font-weight:500;font-size:17px;cursor:pointer;transition:border-color .15s,background .15s}
.answer:hover{border-color:#a8a29e}
.sr:checked+.answer{border-color:var(--accent);background:#eff6ff}
.sr:focus-visible+.answer{outline:3px solid #93c5fd;outline-offset:2px}
.check-nav{display:flex;justify-content:space-between;gap:12px;margin-top:8px}
.result-page{max-width:640px;margin:0 auto;padding-top:16px}
.result-page h1{font-size:clamp(26px,4vw,36px);margin:8px 0}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:14px;font-weight:600;margin:0}
.outcome-fits .badge{background:#dcfce7;color:#166534}
.outcome-caution .badge{background:#fef3c7;color:#92400e}
.outcome-too_complex .badge{background:#fee2e2;color:#991b1b}
.result-page h2{font-size:18px;margin:0 0 8px}
ul.reasons{margin:0;padding-left:20px}ul.reasons li{margin:6px 0}
[hidden]{display:none!important}
.result-page .intro{font-size:18px;margin:0 0 16px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ticks{display:grid;gap:2px;margin:4px 0 8px}
.ticks .inline-check{margin:6px 0;font-weight:500}
.result-page form .inline-check{font-weight:500;align-items:flex-start}
.result-page form .inline-check input{margin-top:4px}
.admin .inline-check{font-weight:500;align-items:flex-start}.admin .inline-check input{margin-top:4px}
.smtp-fields{margin:4px 0 8px 26px;padding-left:12px;border-left:2px solid var(--line)}
#email:has(input[value=builtin]:checked) .smtp-fields{display:none}
details summary{cursor:pointer;color:var(--accent);margin:8px 0}