/* SYNTHEKOS — shared styles for the How-to-use pages (use.html, use-user.html, use-admin.html) */
:root{
  --bg:#07090d; --bg-2:#0b0f16; --panel:#0f1420; --panel-2:#131a28; --line:#1e2740;
  --ink:#eef2fb; --muted:#93a0bd; --dim:#6b7896;
  --teal:#5eead4; --violet:#a78bfa; --amber:#fbbf24; --green:#34d399; --pink:#f472b6; --blue:#60a5fa;
  --radius:16px; --maxw:1000px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
    radial-gradient(1100px 600px at 82% -8%, rgba(94,234,212,.06), transparent 60%),
    radial-gradient(900px 520px at -6% 8%, rgba(167,139,250,.07), transparent 55%),
    var(--bg);
  color:var(--ink);font-family:'Lato',system-ui,-apple-system,Segoe UI,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:'Poppins',system-ui,sans-serif;line-height:1.2;margin:0}
.mono{font-family:'JetBrains Mono',ui-monospace,Menlo,monospace}

/* header */
header.top{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);background:rgba(7,9,13,.72);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Poppins';font-weight:600;letter-spacing:.5px;font-size:17px}
.brand .dot{color:var(--teal)}
.brand small{display:block;font-family:'JetBrains Mono';font-weight:400;font-size:9.5px;letter-spacing:.16em;color:var(--dim);margin-top:1px}
nav.links{display:flex;gap:18px;align-items:center;margin-left:8px}
nav.links a{font-size:13.5px;color:var(--muted);transition:.2s}
nav.links a:hover,nav.links a.active{color:var(--ink)}
.spacer{margin-left:auto}
.back{font-family:'JetBrains Mono';font-size:12px;border:1px solid var(--line);border-radius:10px;padding:7px 12px;color:var(--muted)}
.back:hover{border-color:var(--teal);color:var(--ink)}
@media(max-width:720px){nav.links{display:none}}

/* hero */
.hero{padding:4.5rem 0 2rem}
.eyebrow{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:9px;margin-bottom:1.2rem}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--teal),transparent)}
.hero h1{font-size:clamp(1.9rem,4.6vw,3rem);font-weight:600;letter-spacing:-.5px}
.hero h1 .g{background:linear-gradient(100deg,var(--teal),var(--violet) 55%,var(--pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:62ch;margin:1.3rem 0 1.6rem}
.pills{display:flex;flex-wrap:wrap;gap:9px}
.pill{font-family:'JetBrains Mono';font-size:11.5px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 13px;background:rgba(255,255,255,.02)}

/* sections */
section{padding:2.8rem 0;border-top:1px solid var(--line)}
.sec-num{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.18em;color:var(--dim)}
section h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:600;margin:.5rem 0 .7rem}
section .intro{color:var(--muted);font-size:16.5px;max-width:66ch;margin:0 0 1.7rem}
.note{font-size:13.5px;color:var(--dim);margin-top:14px}
.callout{border-left:3px solid var(--amber);background:rgba(251,191,36,.06);border-radius:8px;padding:12px 15px;color:var(--ink);font-size:14.5px;margin:16px 0}
.callout.teal{border-left-color:var(--teal);background:rgba(94,234,212,.06)}

/* cards */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:860px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--accent,var(--teal));opacity:.85}
.card .lab{font-family:'JetBrains Mono';font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim)}
.card h3{font-size:1.12rem;font-weight:600;margin:.5rem 0 .5rem}
.card p{font-size:14.5px;color:var(--muted);margin:0}
.card.big{padding:26px}
.card.big h3{font-size:1.3rem}
.accent-teal{--accent:var(--teal)}.accent-blue{--accent:var(--blue)}.accent-violet{--accent:var(--violet)}
.accent-amber{--accent:var(--amber)}.accent-green{--accent:var(--green)}.accent-pink{--accent:var(--pink)}

/* steps */
.steps{counter-reset:s;display:grid;gap:12px}
.step{display:flex;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.step .num{counter-increment:s;flex:none;width:30px;height:30px;border-radius:9px;background:linear-gradient(120deg,var(--teal),var(--green));color:#04120f;font-family:'JetBrains Mono';font-weight:600;display:flex;align-items:center;justify-content:center}
.step .num::before{content:counter(s)}
.step h4{font-size:15px;margin:2px 0 3px}
.step p{margin:0;font-size:14px;color:var(--muted)}
.step code{font-family:'JetBrains Mono';font-size:.85em;color:var(--teal);background:#0a0e16;border:1px solid var(--line);border-radius:5px;padding:1px 6px}

/* browser-frame mockup + numbered legend (admin screens) */
.shot{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:6px 0 4px}
.shot .bar{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#0a0e16;border-bottom:1px solid var(--line)}
.shot .bar i{width:10px;height:10px;border-radius:50%;display:inline-block}
.dot-r{background:#fb7185}.dot-y{background:#fbbf24}.dot-g{background:#34d399}
.shot .url{margin-left:10px;font-family:'JetBrains Mono';font-size:11px;color:var(--dim);background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:4px 10px;flex:1}
.shot .screen{padding:16px}
.ui-title{font-family:'Poppins';font-weight:600;font-size:14px;margin:0 0 12px}
.pin{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;font-family:'JetBrains Mono';font-size:10.5px;font-weight:600;color:#04120f;background:var(--teal);margin-left:7px}
.frow{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:9px 0;border-bottom:1px solid rgba(30,39,64,.6);font-size:13.5px;color:var(--muted)}
.field{font-family:'JetBrains Mono';font-size:12px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 11px}
.toggle{font-family:'JetBrains Mono';font-size:11px;padding:3px 10px;border-radius:999px}
.toggle.on{color:#04120f;background:var(--green)}.toggle.off{color:var(--dim);border:1px solid var(--line)}
.legend{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:9px}
.legend li{display:flex;gap:11px;align-items:flex-start;font-size:14px;color:var(--muted)}
.legend .num{width:20px;height:20px;border-radius:50%;background:var(--violet);color:#0a0620;font-family:'JetBrains Mono';font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center;flex:none;margin-top:2px}

/* code card */
.code{background:#060910;border:1px solid var(--line);border-radius:14px;padding:16px;overflow:auto}
.code pre{margin:0;font-family:'JetBrains Mono';font-size:12.5px;line-height:1.7;white-space:pre-wrap}
.code .m{color:var(--dim)}.code .g{color:var(--green)}.code .a{color:var(--amber)}

/* cta + footer */
.cta{margin:2.2rem 0 0;background:linear-gradient(120deg,rgba(94,234,212,.1),rgba(167,139,250,.1));border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.btn{font-family:'JetBrains Mono';font-size:13px;font-weight:600;padding:12px 20px;border-radius:11px;border:1px solid var(--line);background:var(--panel);color:var(--ink);transition:.2s;display:inline-block}
.btn:hover{border-color:var(--teal);transform:translateY(-2px)}
.btn.primary{background:linear-gradient(120deg,var(--teal),var(--green));color:#04120f;border:none}
footer{border-top:1px solid var(--line);padding:26px 0;color:var(--dim);font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}

/* progressive reveal */
html.js section{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js section.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js section{opacity:1!important;transform:none!important}}
.mark{width:26px;height:26px;flex:none}