/* Mobile-first system – v2 */
:root{
  --brand:#4f46e5; --bg:#ffffff; --text:#0f172a; --muted:#64748b;
  --border:#e2e8f0; --radius:14px; --gap:12px; --shadow:0 10px 24px rgba(2,6,23,.06);
  --btn:#111827; --btn-text:#fff; --btn-ghost:#fff; --btn-ghost-text:#111827;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b1020; --text:#e5e7eb; --muted:#94a3b8; --border:#1f2937;
    --btn:#111827; --btn-text:#fff; --btn-ghost:#0b1020; --btn-ghost-text:#e5e7eb;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,sans-serif;line-height:1.55;
     font-size:clamp(15px, 1.4vw, 16px);}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.container{max-width:780px;margin:0 auto;padding:24px 16px}
.grid{display:grid;gap:var(--gap)}
@media(min-width:640px){ .grid.cols-2{grid-template-columns:1fr 1fr}}

.input, select.input, textarea.input{
  width:100%;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);
  background:#fff;color:#0f172a;font:inherit
}
@media (prefers-color-scheme:dark){
  .input, select.input, textarea.input{background:#0f172a;color:#e5e7eb;border-color:#1f2937}
}
label{display:block;font-weight:600;margin-bottom:6px}
.help{color:var(--muted);font-size:12px;margin-top:4px}

.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:var(--shadow)}
@media (prefers-color-scheme:dark){ .card{background:#0f172a;border-color:#1f2937}}

.btn{padding:12px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--btn);color:var(--btn-text);cursor:pointer}
.btn.ghost{background:var(--btn-ghost);color:var(--btn-ghost-text)}
.btn.block{display:block;width:100%}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.sticky-actions{position:sticky;bottom:0;background:var(--bg);padding-top:8px;margin-top:8px}

.avatar-preview{width:100px;height:100px;border-radius:9999px;object-fit:cover;border:2px solid var(--border)}

.links a{display:flex;gap:12px;align-items:center;padding:14px 16px;border-radius:16px;margin:12px 0;border:1px solid var(--border)}
.links a .social-ico{background:#fff;border-radius:9999px;padding:6px;width:20px;height:20px;filter:invert(1) brightness(2) drop-shadow(0 4px 8px rgba(0,0,0,.25))}
.tap{min-height:48px}
.footer-imp{margin-top:18px;text-align:center;opacity:.85}
.footer-imp a{text-decoration:underline}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}