:root{color-scheme:dark;--bg: #0b0f17;--card: #111827;--text: #e6edf3;--muted: #8b98ab;--accent: #f97316;--border: #1f2937}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(circle at top,#132035 0%,var(--bg) 60%);color:var(--text);min-height:100vh;display:flex;align-items:center;justify-content:center}.container{padding:2rem;max-width:640px;width:100%}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2.5rem;box-shadow:0 20px 40px #00000059;text-align:center}.logo{font-size:3rem;margin-bottom:.5rem}h1{margin:0 0 .25rem;font-size:2rem;letter-spacing:-.02em}.subtitle{color:var(--muted);margin:0 0 1.5rem}.box{background:#0b1220;border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin:1.5rem 0;text-align:left;font-family:ui-monospace,SF Mono,Menlo,monospace}.message{font-size:1.05rem;margin:0 0 .5rem;color:var(--accent);font-weight:600}.muted{color:var(--muted);margin:.35rem 0}.small{font-size:.85rem}code{background:#1f2937;padding:.1rem .4rem;border-radius:4px;font-size:.85em}.error{color:#ef4444;margin:0}.link{display:inline-block;color:var(--accent);text-decoration:none;font-size:.9rem;border-bottom:1px dashed transparent;transition:border-color .15s ease}.link:hover{border-color:var(--accent)}