:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;background:#f7fafc}.app{min-height:100vh;display:flex;flex-direction:column}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:18px;color:#718096}.app-header{background:#fff;border-bottom:1px solid #e2e8f0;box-shadow:0 1px 3px #0000001a}.header-content{max-width:1400px;margin:0 auto;padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.app-header h1{font-size:24px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.dev-badge{display:inline-block;margin-left:8px;padding:2px 8px;background:#f59e0b;color:#fff;font-size:12px;font-weight:600;border-radius:4px;vertical-align:middle}.header-nav{display:flex;gap:24px;align-items:center}.header-nav a{color:#4a5568;text-decoration:none;font-size:15px;font-weight:500;padding:8px 12px;border-radius:6px;transition:all .2s}.header-nav a:hover{color:#667eea;background:#f7fafc}.header-nav a.active{color:#667eea;background:#edf2f7}.header-user{display:flex;align-items:center;gap:16px}.header-user span{color:#4a5568;font-size:14px}.btn-logout{padding:8px 16px;background:#e2e8f0;color:#2d3748;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s}.btn-logout:hover{background:#cbd5e0}.app-main{flex:1}