:root{color-scheme:dark;--fond: #0e1116;--carte: #171c24;--texte: #e6e9ef;--discret: #8b94a7;--accent: #e0a44a;--erreur: #e06c6c}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--fond);color:var(--texte);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}.carte{width:100%;max-width:520px;display:flex;flex-direction:column;gap:16px;padding:28px;border-radius:14px;background:var(--carte)}header{display:flex;align-items:baseline;justify-content:space-between;gap:12px}h1{margin:0;font-size:1.5rem;letter-spacing:-.01em}label{display:flex;flex-direction:column;gap:6px;font-size:.875rem;color:var(--discret)}input{padding:10px 12px;border:1px solid #2a313d;border-radius:8px;background:#0e1116;color:var(--texte);font-size:1rem}button{padding:10px 16px;border:0;border-radius:8px;background:var(--accent);color:#1b1205;font-size:.9375rem;font-weight:600;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}dl{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:0}dt{color:var(--discret);font-size:.875rem}dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.code{margin:0;font-size:2rem;font-weight:700;letter-spacing:.1em;text-align:center;color:var(--accent)}.erreur{margin:0;color:var(--erreur);font-size:.875rem}.discret{color:var(--discret);font-size:.8125rem}a{color:var(--accent)}