:root{
  --bg:#0b0f14;
  --card:#111827;
  --card2:#0f172a;
  --text:#f9fafb;
  --muted:#9ca3af;
  --line:rgba(255,255,255,.08);

  --brand:#00c2a8;
  --brand2:#00a896;
  --accent:#f97316;

  --radius:18px;
  --shadow: 0 22px 60px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
}

/* Helpers */
.container{max-width:1100px;margin:0 auto;padding:18px}
.section{padding:26px 0}
.h2{margin:0;font-size:18px;font-weight:900;letter-spacing:.2px}
.muted{color:var(--muted)}
.center{text-align:center}

/* Topbar */
.topbar{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  gap:14px;
  padding:14px 18px;
  background:rgba(11,15,20,.7);
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(14px);
}
.brand{text-decoration:none;color:inherit}
.brand__title{font-weight:950;letter-spacing:1px}
.brand__subtitle{font-size:12px;color:var(--muted);margin-top:2px}
.topbar__actions{display:flex;gap:10px;align-items:center}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  border:1px solid transparent;
  padding:12px 14px;
  border-radius:999px;
  font-weight:900;
  cursor:pointer;
  text-decoration:none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  user-select:none;
  white-space:nowrap;
}
.btn--sm{padding:10px 12px;font-size:13px}
.btn--lg{padding:14px 18px;font-size:15px}

.btn--primary{
  background:linear-gradient(135deg, var(--brand), #37f0d6);
  color:#001b17;
  box-shadow: 0 12px 34px rgba(0,194,168,.22);
}
.btn--primary:hover{transform:translateY(-2px); box-shadow: 0 18px 46px rgba(0,194,168,.28)}
.btn--ghost{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:var(--text);
}
.btn--ghost:hover{transform:translateY(-2px); background:rgba(255,255,255,.06)}
.btn--full{width:100%}

/* Cards */
.card{
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
}

/* Inputs (commande) */
.field span{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.field input, .field select, .input{
  width:100%;
  padding:13px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  outline:none;
  background:rgba(255,255,255,.03);
  color:var(--text);
}
.field input::placeholder{color:rgba(255,255,255,.35)}
.field input:focus, .field select:focus, .input:focus{
  border-color:rgba(0,194,168,.45);
  box-shadow: 0 0 0 4px rgba(0,194,168,.14);
}

/* Grid helper */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:720px){ .grid{grid-template-columns:1fr} }

/* Small pills */
.pill{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  border-radius:999px;
  padding:9px 11px;
  cursor:pointer;
  font-weight:900;
  color:var(--text);
}
.pill:hover{background:rgba(255,255,255,.06)}

/* Accessibility */
:focus-visible{outline:2px solid rgba(0,194,168,.55); outline-offset:2px}