*{margin:0;padding:0;box-sizing:border-box}body{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;background-color:#f5f5f5}#root{min-height:100vh;display:flex;flex-direction:column}header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 2rem;box-shadow:0 2px 8px #0000001a;display:flex;justify-content:space-between;align-items:center}header h1{font-size:1.5rem;font-weight:600}.account{display:flex;align-items:center;gap:1rem}.account span{font-size:.9rem}button{background:#fff;color:#667eea;border:none;padding:.5rem 1.5rem;border-radius:4px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s}button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #00000026}button:active{transform:translateY(0)}main{flex:1;padding:2rem;max-width:1400px;width:100%;margin:0 auto}.welcome{text-align:center;padding:4rem 2rem}.welcome h2{font-size:2rem;color:#333;margin-bottom:1rem}.welcome p{font-size:1.1rem;color:#666;margin-bottom:2rem}.dashboard-container{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow:hidden;height:calc(100vh - 200px);min-height:600px}.dashboard-header{padding:1rem 1.5rem;background:#f8f9fa;border-bottom:1px solid #e9ecef;display:flex;justify-content:space-between;align-items:center}.dashboard-header h2{font-size:1.25rem;color:#333}.dashboard-iframe{width:100%;height:calc(100% - 60px);border:none}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;gap:1rem}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{background:#fee;border:1px solid #fcc;color:#c33;padding:1rem 1.5rem;border-radius:4px;margin:1rem 0}.error code{background:#fdd;padding:.2rem .4rem;border-radius:3px;font-family:monospace}.landing-page{text-align:center;padding:3rem 2rem;max-width:900px;margin:0 auto}.landing-page h2{font-size:2.5rem;color:#333;margin-bottom:1rem}.landing-page>p{font-size:1.2rem;color:#666;margin-bottom:3rem}.landing-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.nav-card{background:#fff;border:2px solid #e9ecef;border-radius:12px;padding:2.5rem 2rem;text-decoration:none;color:inherit;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;cursor:pointer}.nav-card:hover{border-color:#667eea;transform:translateY(-4px);box-shadow:0 8px 24px #667eea26}.nav-card-icon{font-size:3rem;margin-bottom:1rem}.nav-card h3{font-size:1.5rem;color:#333;margin-bottom:.5rem}.nav-card p{font-size:1rem;color:#666;margin:0}.breadcrumb{margin-bottom:1.5rem}.breadcrumb a{color:#667eea;text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s}.breadcrumb a:hover{color:#764ba2;text-decoration:underline}