:root{--bg: #0b0f14;--card: #121a22;--text: #e9f0f5;--muted: #b6c2cc;--accent: #1f8ef1;--accent-700: #0f6ec3;--error: #ff4d4f}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);color:var(--text)}.container{min-height:100%;display:grid;place-items:center;padding:24px}.logo{width:96px;height:auto;display:block;margin:0 auto 16px;filter:drop-shadow(0 6px 18px rgba(0,0,0,.35))}.title{text-align:center;margin-bottom:12px;font-weight:700;letter-spacing:.3px}.subtitle{text-align:center;margin-bottom:14px;color:var(--muted);font-size:14px}.card{width:100%;max-width:520px;background:#fff;color:#0b0f14;border:1px solid rgba(0,0,0,.06);border-radius:12px;padding:20px;box-shadow:0 10px 30px #00000040;display:grid;gap:10px}.label{font-size:13px;color:#425466}.input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid rgba(0,0,0,.12);background:#fff;color:#0b0f14;outline:none}.input:focus{border-color:#1f8ef199;box-shadow:0 0 0 4px #1f8ef11f}.button{margin-top:6px;padding:12px 14px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.button.ghost{background:transparent;color:var(--accent);border:1px solid rgba(31,142,241,.4)}.button:disabled{opacity:.6;cursor:not-allowed}.button:hover:not(:disabled){background:var(--accent-700)}.result,.error{margin:8px 0 0;white-space:pre-wrap;background:#f7f9fb;border:1px solid rgba(0,0,0,.06);border-radius:8px;padding:12px;font-size:13px}.error{border-color:#ff4d4f80;color:var(--error);background:#fff5f5}.note{margin-top:8px;font-size:12px;color:#425466}.list{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px}.list-item{padding:10px 12px;border:1px solid rgba(0,0,0,.08);border-radius:8px;background:#f7f9fb;cursor:pointer}.list-item:hover{border-color:#1f8ef14d}.nav{width:100%;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#00000040;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#e9f0f5;position:sticky;top:0;z-index:10}.nav-brand{font-weight:700;letter-spacing:.4px;cursor:pointer}.nav-links{display:flex;gap:8px}.nav-link{background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:8px 12px;color:#e9f0f5;cursor:pointer}.nav-link:hover{background:#ffffff26}.nav-user{font-size:13px;color:#cdd6df}.stepper{display:flex;gap:6px;margin-bottom:10px}.step{width:20px;height:20px;border-radius:50%;background:#0000000f;display:grid;place-items:center;font-size:12px;color:#425466}.step.active{background:var(--accent);color:#fff}