:root{--bg: #f4f1ea;--surface: #fffdf8;--ink: #1c1914;--muted: #5c574c;--buy: #1b6b3a;--buy-soft: #e4f3ea;--sell: #9b2c2c;--sell-soft: #f8e6e4;--wait: #6b5a1b;--wait-soft: #f4ecd0;--accent: #8a6a2f;--shadow: 0 10px 28px rgba(28, 25, 20, .08);--font: "Segoe UI", "Source Sans 3", sans-serif}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font);color:var(--ink);background:#f4f1ea;line-height:1.5}h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em}button,input{font:inherit}button{cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;border:0;border-radius:10px;padding:.75rem 1rem;background:var(--ink);color:#fffdf8;font-weight:600}.btn:disabled{opacity:.6;cursor:not-allowed}.field{display:grid;gap:.35rem;margin-bottom:.9rem}.field label{font-size:.85rem;color:var(--muted)}.field input{border:1px solid #d9d2c5;border-radius:10px;padding:.7rem .85rem;background:#fff;color:var(--ink)}.error{color:var(--sell);font-size:.9rem}