:root{--bg: #121212;--text: #e0e0e0;--accent: #00e676;--card: #1e1e1e}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);margin:0;display:flex;flex-direction:column;align-items:center}header{width:100%;padding:1rem;display:flex;justify-content:space-between;align-items:center;background:var(--card)}#vault-list{width:90%;max-width:400px;margin-top:1rem}.otp-card{background:var(--card);padding:1rem;margin-bottom:.5rem;border-radius:8px;display:flex;justify-content:space-between;align-items:center}.otp-code{font-family:monospace;font-size:1.5rem;letter-spacing:.2rem;color:var(--accent)}dialog{background:var(--card);color:var(--text);border:1px solid #333;border-radius:8px}