*{margin:0;padding:0;box-sizing:border-box}:root{--bg: #0d0d0d;--surface: #1a1a1a;--border: #2a2a2a;--text: #e0e0e0;--text-secondary: #888;--accent: #6c63ff;--accent-hover: #5a52e0;--success: #22c55e;--error: #ef4444}@keyframes spin{to{transform:rotate(360deg)}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.app{max-width:1200px;margin:0 auto;padding:24px}.app-header{display:flex;align-items:center;gap:12px;margin-bottom:32px}.app-header h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--accent),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.app-header .subtitle{color:var(--text-secondary);font-size:14px;margin-left:auto}