.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.login-box{background:#fff;padding:40px;border-radius:8px;box-shadow:0 10px 25px #0003;width:100%;max-width:400px}.login-box h1{margin:0 0 8px;color:#333;font-size:28px;font-weight:700}.login-subtitle{margin:0 0 30px;color:#666;font-size:14px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:#333;font-weight:500;font-size:14px}.form-group input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;transition:border-color .3s,box-shadow .3s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f5f5f5;color:#999}.error-message{background-color:#fee;color:#c33;padding:12px;border-radius:4px;margin-bottom:20px;font-size:14px;border:1px solid #fcc}.login-button{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.login-button:disabled{opacity:.7;cursor:not-allowed}.dashboard-container{display:flex;min-height:100vh;background-color:#f5f5f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.sidebar{width:260px;background:#fff;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;transition:width .3s ease;box-shadow:2px 0 8px #0000000d}.sidebar.closed{width:80px}.sidebar-header{padding:20px;border-bottom:1px solid #e0e0e0;display:flex;align-items:center;justify-content:space-between}.sidebar-header h2{margin:0;font-size:18px;color:#333;white-space:nowrap;overflow:hidden}.sidebar.closed .sidebar-header h2{display:none}.sidebar-toggle{display:none;background:none;border:none;font-size:20px;cursor:pointer;color:#666;padding:0;width:32px;height:32px;align-items:center;justify-content:center}@media(max-width:768px){.sidebar-toggle{display:flex}}.sidebar-nav{flex:1;padding:20px 0;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:#666;text-decoration:none;transition:all .2s;border-left:3px solid transparent}.nav-item:hover{background-color:#f9f9f9;color:#333}.nav-item.active{background-color:#f0f4ff;color:#667eea;border-left-color:#667eea;font-weight:600}.nav-icon{font-size:20px;min-width:24px}.nav-label{white-space:nowrap;overflow:hidden}.sidebar.closed .nav-label{display:none}.sidebar-footer{padding:16px;border-top:1px solid #e0e0e0}.user-info{margin-bottom:12px;text-align:center}.user-email{font-size:12px;color:#999;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar.closed .user-email{display:none}.logout-button{width:100%;padding:8px;background-color:#f5f5f5;border:1px solid #ddd;border-radius:4px;color:#666;font-size:13px;cursor:pointer;transition:all .2s}.logout-button:hover{background-color:#fee;border-color:#fcc;color:#c33}.main-content{flex:1;display:flex;flex-direction:column}.top-bar{background:#fff;border-bottom:1px solid #e0e0e0;padding:20px;box-shadow:0 2px 4px #0000000d}.top-bar-content{max-width:1400px;margin:0 auto}.top-bar h1{margin:0;font-size:28px;color:#333}.content-area{flex:1;padding:30px;overflow-y:auto}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;height:100vh;z-index:1000;width:260px}.sidebar.closed{width:0;padding:0;border:none}.main-content{margin-left:0}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333}a{color:inherit;text-decoration:none}button{font-family:inherit}table{width:100%}h1,h2,h3,h4,h5,h6{color:#333;margin-bottom:16px}p{margin-bottom:12px;line-height:1.5;color:#666}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}