:root{--bg:#0b0b0d;--surface:#131417;--surface-2:#16171a;--border:#202126;--border-2:#26272b;--text:#fafafa;--muted:#86878c;--faint:#56575c;--accent:#74e0a6;--accent-bg:rgba(116,224,166,.12);--mono:ui-monospace,SFMono-Regular,Menlo,monospace}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Malgun Gothic,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font-family:inherit;outline:none}.app{max-width:480px;margin:0 auto;min-height:100vh;padding:24px 20px 48px}.mono{font-family:var(--mono)}.btn-primary{display:block;width:100%;background:#fafafa;color:#0b0b0d;text-align:center;font-size:15px;font-weight:500;padding:15px;border:none;border-radius:14px;cursor:pointer}.btn-primary:active{transform:scale(.99)}.field{display:flex;align-items:center;gap:10px;background:var(--surface);border:.5px solid var(--border);border-radius:13px;padding:14px 15px}.field input{flex:1 1;background:transparent;border:none;color:var(--text);font-size:14px}.field input::placeholder{color:var(--faint)}.card{background:var(--surface);border:.5px solid var(--border);border-radius:18px;padding:18px}.error{color:#ff6b6b;font-size:13px;margin:8px 0 0}