:root{--bg:#0d0d0d;--card:#171717;--card2:#232323;--txt:#f5f5f5;--mut:#a3a3a3;--red:#e11b22;--red2:#b3141a;--line:#2e2e2e}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--txt);-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px}input{background:var(--card);color:var(--txt);border:1px solid var(--line);border-radius:10px;outline:none;width:100%;padding:13px 14px;font-family:inherit;font-size:15px}input:focus{border-color:var(--red)}.btn-primary{background:var(--red);color:#fff;cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px 20px;font-family:inherit;font-size:15px;font-weight:700}.btn-primary:hover{background:var(--red2)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}