* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
        }
        
        body {
            background-color: #ffffff;
            min-height: 100vh;
        }
        
        /* Header styles */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
            background-color: #ffffff;
            border-bottom: 1px solid #e8e8e8;
        }
        
        .logo-container {
            display: flex;
            align-items: center;
        }
        
        .logo {
            width: 24px;
            height: 24px;
            margin-right: 8px;
        }
        
        .brand-name {
            color: #1a73e8;
            font-size: 18px;
            font-weight: 600;
        }
        
        .title {
            font-size: 20px;
            color: #333;
            margin-left: 10px;
        }
        
        .help-link {
            color: #1a73e8;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
        }
        
        /* Main content styles */
        .main-content {
            background-color: #1a73e8;
            min-height: calc(100vh - 56px);
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
            overflow: hidden;
        }
        
        /* Food background design */
        .food-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
            z-index: 0;
        }
        
        .food-item {
            position: absolute;
            fill: #ffffff;
            stroke: #ffffff;
        }
        
        .apple {
            width: 50px;
            height: 50px;
            top: 10%;
            left: 15%;
            animation: float 8s infinite ease-in-out;
        }
        
        .banana {
            width: 60px;
            height: 60px;
            top: 20%;
            right: 10%;
            animation: float 10s infinite ease-in-out;
        }
        
        .bread {
            width: 70px;
            height: 50px;
            bottom: 15%;
            left: 20%;
            animation: float 9s infinite ease-in-out;
        }
        
        .coffee {
            width: 40px;
            height: 60px;
            top: 40%;
            left: 5%;
            animation: float 7s infinite ease-in-out;
        }
        
        .juice {
            width: 35px;
            height: 60px;
            bottom: 25%;
            right: 15%;
            animation: float 11s infinite ease-in-out;
        }
        
        .pizza {
            width: 65px;
            height: 65px;
            top: 15%;
            left: 40%;
            animation: float 12s infinite ease-in-out;
        }
        
        .water-bottle {
            width: 30px;
            height: 70px;
            bottom: 10%;
            right: 30%;
            animation: float 6s infinite ease-in-out;
        }
        
        .carrot {
            width: 50px;
            height: 50px;
            top: 60%;
            right: 5%;
            animation: float 9s infinite ease-in-out;
        }
        
        .rice {
            width: 55px;
            height: 65px;
            top: 70%;
            left: 25%;
            animation: float 10s infinite ease-in-out;
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) rotate(0deg);
            }
            50% {
                transform: translateY(20px) rotate(5deg);
            }
        }
        
        .content-container {
            width: 100%;
            max-width: 1200px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        
        /* Left content styles */
        .left-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding-right: 40px;
        }
        
        .big-logo {
            width: 240px;
            height: 240px;
            margin-bottom: 30px;
        }
        
        .welcome-text {
            color: #ffffff;
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .slogan {
            color: #ffffff;
            font-size: 16px;
            font-weight: 400;
        }
        
        /* Login form styles */
        .login-form-container {
            width: 100%;
            max-width: 400px;
            background-color: #ffffff;
            border-radius: 4px;
            padding: 30px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .error-message {
            background-color: #fee;
            color: #c53030;
            padding: 10px;
            border: 1px solid #feb2b2;
            border-radius: 4px;
            margin-bottom: 15px;
            font-size: 14px;
        }
        
        .login-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .login-title {
            font-size: 20px;
            font-weight: 500;
            color: #212121;
        }
        
        .qr-login {
            display: flex;
            align-items: center;
            font-size: 14px;
            color: #1a73e8;
            padding: 5px 12px;
            border: 1px solid #1a73e8;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .qr-login span {
            margin-right: 5px;
        }
        
        .qr-icon {
            width: 20px;
            height: 20px;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #e0e0e0;
            border-radius: 4px;
            font-size: 14px;
        }
        
        .password-container {
            position: relative;
        }
        
        .password-toggle {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #bdbdbd;
            cursor: pointer;
        }
        
        .login-button {
            width: 100%;
            padding: 12px;
            background-color: #1a73e8;
            color: #ffffff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            margin-top: 10px;
        }
        
        .forgot-password {
            text-align: right;
            margin: 15px 0;
        }
        
        .forgot-password a {
            color: #1a73e8;
            font-size: 14px;
            text-decoration: none;
        }
        
        .divider {
            display: flex;
            align-items: center;
            color: #bdbdbd;
            font-size: 12px;
            margin: 20px 0;
        }
        
        .divider::before, .divider::after {
            content: "";
            flex: 1;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .divider span {
            padding: 0 10px;
        }
        
        .register-prompt {
            text-align: center;
            margin-top: 20px;
            font-size: 14px;
            color: #757575;
        }
        
        .register-link {
            color: #EE4D2D;
            text-decoration: none;
            font-weight: 500;
        }
        
        @media (max-width: 900px) {
            .content-container {
                flex-direction: column;
            }
            
            .left-content {
                margin-bottom: 30px;
                padding-right: 0;
            }
            
            .big-logo {
                width: 160px;
                height: 160px;
            }
            
            .food-item {
                transform: scale(0.7);
            }
        }