* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }

        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .login-container {
            width: 100%;
            max-width: 450px;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            padding: 40px 35px;
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h1 {
            color: #2c3e50;
            font-size: 28px;
            margin-bottom: 8px;
        }

        .login-header p {
            color: #7f8c8d;
            font-size: 15px;
        }

        .session-status {
            background-color: #d4edda;
            color: #155724;
            padding: 12px 15px;
            border-radius: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            border-left: 4px solid #28a745;
        }

        .session-status.error {
            background-color: #f8d7da;
            color: #721c24;
            border-left-color: #dc3545;
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #2c3e50;
            font-size: 15px;
        }

        .form-input {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e1e5e9;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
            background-color: #f8f9fa;
        }

        .form-input:focus {
            outline: none;
            border-color: #3498db;
            background-color: white;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
        }

        .form-input.error {
            border-color: #e74c3c;
        }

        .error-messages {
            margin-top: 6px;
            color: #e74c3c;
            font-size: 14px;
        }

        .error-messages ul {
            list-style-type: none;
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
            font-size: 14px;
        }

        .remember-me {
            display: flex;
            align-items: center;
        }

        .remember-me input {
            margin-right: 8px;
        }

        .forgot-password {
            color: #3498db;
            text-decoration: none;
            font-weight: 500;
        }

        .forgot-password:hover {
            text-decoration: underline;
        }

        .login-button {
            width: 100%;
            padding: 15px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .login-button:hover {
            background-color: #2980b9;
        }

        .login-button:active {
            transform: translateY(1px);
        }

        .password-wrapper {
            position: relative;
        }

        .toggle-password {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #7f8c8d;
            cursor: pointer;
            font-size: 14px;
        }

        @media (max-width: 576px) {
            .login-container {
                padding: 30px 25px;
                border-radius: 10px;
            }

            .form-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .login-header h1 {
                font-size: 24px;
            }
        }

        .loading-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 0.8s linear infinite;
            margin-right: 10px;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }

        .loading .loading-spinner {
            display: inline-block;
        }

        .loading .button-text {
            opacity: 0.8;
        }